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StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-.

StatPearls [Internet].

Breech presentation.

Caron J. Gray ; Meaghan M. Shanahan .

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Last Update: November 6, 2022 .

Continuing Education Activity

Breech presentation refers to the fetus in the longitudinal lie with the buttocks or lower extremity entering the pelvis first. The three types of breech presentation include frank breech, complete breech, and incomplete breech. In a frank breech, the fetus has flexion of both hips, and the legs are straight with the feet near the fetal face, in a pike position. This activity reviews the cause and pathophysiology of breech presentation and highlights the role of the interprofessional team in its management.

Describe the pathophysiology of breech presentation.
Review the physical exam of a patient with a breech presentation.
Summarize the treatment options for breech presentation.
Explain the importance of improving care coordination among interprofessional team members to improve outcomes for patients affected by breech presentation.
Introduction

Breech presentation refers to the fetus in the longitudinal lie with the buttocks or lower extremity entering the pelvis first. The three types of breech presentation include frank breech, complete breech, and incomplete breech. In a frank breech, the fetus has flexion of both hips, and the legs are straight with the feet near the fetal face, in a pike position. The complete breech has the fetus sitting with flexion of both hips and both legs in a tuck position. Finally, the incomplete breech can have any combination of one or both hips extended, also known as footling (one leg extended) breech, or double footling breech (both legs extended). [1] [2] [3]

Clinical conditions associated with breech presentation include those that may increase or decrease fetal motility, or affect the vertical polarity of the uterine cavity. Prematurity, multiple gestations, aneuploidies, congenital anomalies, Mullerian anomalies, uterine leiomyoma, and placental polarity as in placenta previa are most commonly associated with a breech presentation. Also, a previous history of breech presentation at term increases the risk of repeat breech presentation at term in subsequent pregnancies. [4] [5] These are discussed in more detail in the pathophysiology section.

Epidemiology

Breech presentation occurs in 3% to 4% of all term pregnancies. A higher percentage of breech presentations occurs with less advanced gestational age. At 32 weeks, 7% of fetuses are breech, and 28 weeks or less, 25% are breech.

Specifically, following one breech delivery, the recurrence rate for the second pregnancy was nearly 10%, and for a subsequent third pregnancy, it was 27%. Prior cesarean delivery has also been described by some to increase the incidence of breech presentation two-fold.

Pathophysiology

As mentioned previously, the most common clinical conditions or disease processes that result in the breech presentation are those that affect fetal motility or the vertical polarity of the uterine cavity. [6] [7]

Conditions that change the vertical polarity or the uterine cavity, or affect the ease or ability of the fetus to turn into the vertex presentation in the third trimester include:

Mullerian anomalies: Septate uterus, bicornuate uterus, and didelphys uterus
Placentation: Placenta previa as the placenta is occupying the inferior portion of the uterine cavity. Therefore, the presenting part cannot engage
Uterine leiomyoma: Mainly larger myomas located in the lower uterine segment, often intramural or submucosal, that prevent engagement of the presenting part.
Prematurity
Aneuploidies and fetal neuromuscular disorders commonly cause hypotonia of the fetus, inability to move effectively
Congenital anomalies: Fetal sacrococcygeal teratoma, fetal thyroid goiter
Polyhydramnios: Fetus is often in unstable lie, unable to engage
Oligohydramnios: Fetus is unable to turn to vertex due to lack of fluid
Laxity of the maternal abdominal wall: Uterus falls forward, the fetus is unable to engage in the pelvis.

The risk of cord prolapse varies depending on the type of breech. Incomplete or footling breech carries the highest risk of cord prolapse at 15% to 18%, while complete breech is lower at 4% to 6%, and frank breech is uncommon at 0.5%.

History and Physical

During the physical exam, using the Leopold maneuvers, palpation of a hard, round, mobile structure at the fundus and the inability to palpate a presenting part in the lower abdomen superior to the pubic bone or the engaged breech in the same area, should raise suspicion of a breech presentation.

During a cervical exam, findings may include the lack of a palpable presenting part, palpation of a lower extremity, usually a foot, or for the engaged breech, palpation of the soft tissue of the fetal buttocks may be noted. If the patient has been laboring, caution is warranted as the soft tissue of the fetal buttocks may be interpreted as caput of the fetal vertex.

Any of these findings should raise suspicion and ultrasound should be performed.

Diagnosis of a breech presentation can be accomplished through abdominal exam using the Leopold maneuvers in combination with the cervical exam. Ultrasound should confirm the diagnosis.

On ultrasound, the fetal lie and presenting part should be visualized and documented. If breech presentation is diagnosed, specific information including the specific type of breech, the degree of flexion of the fetal head, estimated fetal weight, amniotic fluid volume, placental location, and fetal anatomy review (if not already done previously) should be documented.

Treatment / Management

Expertise in the delivery of the vaginal breech baby is becoming less common due to fewer vaginal breech deliveries being offered throughout the United States and in most industrialized countries. The Term Breech Trial (TBT), a well-designed, multicenter, international, randomized controlled trial published in 2000 compared planned vaginal delivery to planned cesarean delivery for the term breech infant. The investigators reported that delivery by planned cesarean resulted in significantly lower perinatal mortality, neonatal mortality, and serious neonatal morbidity. Also, there was no significant difference in maternal morbidity or mortality between the two groups. Since that time, the rate of term breech infants delivered by planned cesarean has increased dramatically. Follow-up studies to the TBT have been published looking at maternal morbidity and outcomes of the children at two years. Although these reports did not show any significant difference in the risk of death and neurodevelopmental, these studies were felt to be underpowered. [8] [9] [10] [11]

Since the TBT, many authors since have argued that there are still some specific situations that vaginal breech delivery is a potential, safe alternative to planned cesarean. Many smaller retrospective studies have reported no difference in neonatal morbidity or mortality using these specific criteria.

The initial criteria used in these reports were similar: gestational age greater than 37 weeks, frank or complete breech presentation, no fetal anomalies on ultrasound examination, adequate maternal pelvis, and estimated fetal weight between 2500 g and 4000 g. In addition, the protocol presented by one report required documentation of fetal head flexion and adequate amniotic fluid volume, defined as a 3-cm vertical pocket. Oxytocin induction or augmentation was not offered, and strict criteria were established for normal labor progress. CT pelvimetry did determine an adequate maternal pelvis.

Despite debate on both sides, the current recommendation for the breech presentation at term includes offering external cephalic version (ECV) to those patients that meet criteria, and for those whom are not candidates or decline external cephalic version, a planned cesarean section for delivery sometime after 39 weeks.

Regarding the premature breech, gestational age will determine the mode of delivery. Before 26 weeks, there is a lack of quality clinical evidence to guide mode of delivery. One large retrospective cohort study recently concluded that from 28 to 31 6/7 weeks, there is a significant decrease in perinatal morbidity and mortality in a planned cesarean delivery versus intended vaginal delivery, while there is no difference in perinatal morbidity and mortality in gestational age 32 to 36 weeks. Of note, due to lack of recruitment, no prospective clinical trials are examining this issue.

Differential Diagnosis
Face and brow presentation
Fetal anomalies
Fetal death
Grand multiparity
Multiple pregnancies
Oligohydramnios
Pelvis Anatomy
Preterm labor
Primigravida
Uterine anomalies
Pearls and Other Issues

In light of the decrease in planned vaginal breech deliveries, thus the decrease in expertise in managing this clinical scenario, it is prudent that policies requiring simulation and instruction in the delivery technique for vaginal breech birth are established to care for the emergency breech vaginal delivery.

Enhancing Healthcare Team Outcomes

A breech delivery is usually managed by an obstetrician, labor and delivery nurse, anesthesiologist and a neonatologist. The ultimate decison rests on the obstetrician. To prevent complications, today cesarean sections are performed and experienced with vaginal deliveries of breech presentation is limited. For healthcare workers including the midwife who has no experience with a breech delivery, it is vital to communicate with an obstetrician, otherwise one risks litigation if complications arise during delivery. [12] [13] [14]

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Disclosure: Caron Gray declares no relevant financial relationships with ineligible companies.

Disclosure: Meaghan Shanahan declares no relevant financial relationships with ineligible companies.

This book is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) ( http://creativecommons.org/licenses/by-nc-nd/4.0/ ), which permits others to distribute the work, provided that the article is not altered or used commercially. You are not required to obtain permission to distribute this article, provided that you credit the author and journal.

Cite this Page Gray CJ, Shanahan MM. Breech Presentation. [Updated 2022 Nov 6]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-.

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What Is Breech?

When a fetus is delivered buttocks or feet first

Types of Presentation

Risk Factors

Complications.

Breech concerns the position of the fetus before labor . Typically, the fetus comes out headfirst, but in a breech delivery, the buttocks or feet come out first. This type of delivery is risky for both the pregnant person and the fetus.

This article discusses the different types of breech presentations, risk factors that might make a breech presentation more likely, treatment options, and complications associated with a breech delivery.

Verywell / Jessica Olah

Types of Breech Presentation

During the last few weeks of pregnancy, a fetus usually rotates so that the head is positioned downward to come out of the vagina first. This is called the vertex position.

In a breech presentation, the fetus does not turn to lie in the correct position. Instead, the fetus’s buttocks or feet are positioned to come out of the vagina first.

At 28 weeks of gestation, approximately 20% of fetuses are in a breech position. However, the majority of these rotate to the proper vertex position. At full term, around 3%–4% of births are breech.

The different types of breech presentations include:

Complete : The fetus’s knees are bent, and the buttocks are presenting first.
Frank : The fetus’s legs are stretched upward toward the head, and the buttocks are presenting first.
Footling : The fetus’s foot is showing first.

Signs of Breech

There are no specific symptoms associated with a breech presentation.

Diagnosing breech before the last few weeks of pregnancy is not helpful, since the fetus is likely to turn to the proper vertex position before 35 weeks gestation.

A healthcare provider may be able to tell which direction the fetus is facing by touching a pregnant person’s abdomen. However, an ultrasound examination is the best way to determine how the fetus is lying in the uterus.

Most breech presentations are not related to any specific risk factor. However, certain circumstances can increase the risk for breech presentation.

These can include:

Previous pregnancies
Multiple fetuses in the uterus
An abnormally shaped uterus
Uterine fibroids , which are noncancerous growths of the uterus that usually appear during the childbearing years
Placenta previa, a condition in which the placenta covers the opening to the uterus
Preterm labor or prematurity of the fetus
Too much or too little amniotic fluid (the liquid that surrounds the fetus during pregnancy)
Fetal congenital abnormalities

Most fetuses that are breech are born by cesarean delivery (cesarean section or C-section), a surgical procedure in which the baby is born through an incision in the pregnant person’s abdomen.

In rare instances, a healthcare provider may plan a vaginal birth of a breech fetus. However, there are more risks associated with this type of delivery than there are with cesarean delivery.

Before cesarean delivery, a healthcare provider might utilize the external cephalic version (ECV) procedure to turn the fetus so that the head is down and in the vertex position. This procedure involves pushing on the pregnant person’s belly to turn the fetus while viewing the maneuvers on an ultrasound. This can be an uncomfortable procedure, and it is usually done around 37 weeks gestation.

ECV reduces the risks associated with having a cesarean delivery. It is successful approximately 40%–60% of the time. The procedure cannot be done once a pregnant person is in active labor.

Complications related to ECV are low and include the placenta tearing away from the uterine lining, changes in the fetus’s heart rate, and preterm labor.

ECV is usually not recommended if the:

Pregnant person is carrying more than one fetus
Placenta is in the wrong place
Healthcare provider has concerns about the health of the fetus
Pregnant person has specific abnormalities of the reproductive system

Recommendations for Previous C-Sections

The American College of Obstetricians and Gynecologists (ACOG) says that ECV can be considered if a person has had a previous cesarean delivery.

During a breech delivery, the umbilical cord might come out first and be pinched by the exiting fetus. This is called cord prolapse and puts the fetus at risk for decreased oxygen and blood flow. There’s also a risk that the fetus’s head or shoulders will get stuck inside the mother’s pelvis, leading to suffocation.

Complications associated with cesarean delivery include infection, bleeding, injury to other internal organs, and problems with future pregnancies.

A healthcare provider needs to weigh the risks and benefits of ECV, delivering a breech fetus vaginally, and cesarean delivery.

In a breech delivery, the fetus comes out buttocks or feet first rather than headfirst (vertex), the preferred and usual method. This type of delivery can be more dangerous than a vertex delivery and lead to complications. If your baby is in breech, your healthcare provider will likely recommend a C-section.

A Word From Verywell

Knowing that your baby is in the wrong position and that you may be facing a breech delivery can be extremely stressful. However, most fetuses turn to have their head down before a person goes into labor. It is not a cause for concern if your fetus is breech before 36 weeks. It is common for the fetus to move around in many different positions before that time.

At the end of your pregnancy, if your fetus is in a breech position, your healthcare provider can perform maneuvers to turn the fetus around. If these maneuvers are unsuccessful or not appropriate for your situation, cesarean delivery is most often recommended. Discussing all of these options in advance can help you feel prepared should you be faced with a breech delivery.

American College of Obstetricians and Gynecologists. If your baby is breech .

TeachMeObGyn. Breech presentation .

MedlinePlus. Breech birth .

Hofmeyr GJ, Kulier R, West HM. External cephalic version for breech presentation at term . Cochrane Database Syst Rev . 2015 Apr 1;2015(4):CD000083. doi:10.1002/14651858.CD000083.pub3

By Christine Zink, MD Dr. Zink is a board-certified emergency medicine physician with expertise in the wilderness and global medicine.

Pregnancy Classes

Breech Births

In the last weeks of pregnancy, a baby usually moves so his or her head is positioned to come out of the vagina first during birth. This is called a vertex presentation. A breech presentation occurs when the baby’s buttocks, feet, or both are positioned to come out first during birth. This happens in 3–4% of full-term births.

What are the different types of breech birth presentations?

Complete breech: Here, the buttocks are pointing downward with the legs folded at the knees and feet near the buttocks.
Frank breech: In this position, the baby’s buttocks are aimed at the birth canal with its legs sticking straight up in front of his or her body and the feet near the head.
Footling breech: In this position, one or both of the baby’s feet point downward and will deliver before the rest of the body.

What causes a breech presentation?

The causes of breech presentations are not fully understood. However, the data show that breech birth is more common when:

You have been pregnant before
In pregnancies of multiples
When there is a history of premature delivery
When the uterus has too much or too little amniotic fluid
When there is an abnormally shaped uterus or a uterus with abnormal growths, such as fibroids
The placenta covers all or part of the opening of the uterus placenta previa

How is a breech presentation diagnosed?

A few weeks prior to the due date, the health care provider will place her hands on the mother’s lower abdomen to locate the baby’s head, back, and buttocks. If it appears that the baby might be in a breech position, they can use ultrasound or pelvic exam to confirm the position. Special x-rays can also be used to determine the baby’s position and the size of the pelvis to determine if a vaginal delivery of a breech baby can be safely attempted.

Can a breech presentation mean something is wrong?

Even though most breech babies are born healthy, there is a slightly elevated risk for certain problems. Birth defects are slightly more common in breech babies and the defect might be the reason that the baby failed to move into the right position prior to delivery.

Can a breech presentation be changed?

It is preferable to try to turn a breech baby between the 32nd and 37th weeks of pregnancy . The methods of turning a baby will vary and the success rate for each method can also vary. It is best to discuss the options with the health care provider to see which method she recommends.

Medical Techniques

External Cephalic Version (EVC) is a non-surgical technique to move the baby in the uterus. In this procedure, a medication is given to help relax the uterus. There might also be the use of an ultrasound to determine the position of the baby, the location of the placenta and the amount of amniotic fluid in the uterus.

Gentle pushing on the lower abdomen can turn the baby into the head-down position. Throughout the external version the baby’s heartbeat will be closely monitored so that if a problem develops, the health care provider will immediately stop the procedure. ECV usually is done near a delivery room so if a problem occurs, a cesarean delivery can be performed quickly. The external version has a high success rate and can be considered if you have had a previous cesarean delivery.

ECV will not be tried if:

You are carrying more than one fetus
There are concerns about the health of the fetus
You have certain abnormalities of the reproductive system
The placenta is in the wrong place
The placenta has come away from the wall of the uterus ( placental abruption )

Complications of EVC include:

Prelabor rupture of membranes
Changes in the fetus’s heart rate
Placental abruption
Preterm labor

Vaginal delivery versus cesarean for breech birth?

Most health care providers do not believe in attempting a vaginal delivery for a breech position. However, some will delay making a final decision until the woman is in labor. The following conditions are considered necessary in order to attempt a vaginal birth:

The baby is full-term and in the frank breech presentation
The baby does not show signs of distress while its heart rate is closely monitored.
The process of labor is smooth and steady with the cervix widening as the baby descends.
The health care provider estimates that the baby is not too big or the mother’s pelvis too narrow for the baby to pass safely through the birth canal.
Anesthesia is available and a cesarean delivery possible on short notice

What are the risks and complications of a vaginal delivery?

In a breech birth, the baby’s head is the last part of its body to emerge making it more difficult to ease it through the birth canal. Sometimes forceps are used to guide the baby’s head out of the birth canal. Another potential problem is cord prolapse . In this situation the umbilical cord is squeezed as the baby moves toward the birth canal, thus slowing the baby’s supply of oxygen and blood. In a vaginal breech delivery, electronic fetal monitoring will be used to monitor the baby’s heartbeat throughout the course of labor. Cesarean delivery may be an option if signs develop that the baby may be in distress.

When is a cesarean delivery used with a breech presentation?

Most health care providers recommend a cesarean delivery for all babies in a breech position, especially babies that are premature. Since premature babies are small and more fragile, and because the head of a premature baby is relatively larger in proportion to its body, the baby is unlikely to stretch the cervix as much as a full-term baby. This means that there might be less room for the head to emerge.

Want to Know More?

Creating Your Birth Plan
Labor & Birth Terms to Know
Cesarean Birth After Care

Compiled using information from the following sources:

ACOG: If Your Baby is Breech
William’s Obstetrics Twenty-Second Ed. Cunningham, F. Gary, et al, Ch. 24.
Danforth’s Obstetrics and Gynecology Ninth Ed. Scott, James R., et al, Ch. 21.

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Fetal Presentation, Position, and Lie (Including Breech Presentation)

Variations in Fetal Position and Presentation |

During pregnancy, the fetus can be positioned in many different ways inside the mother's uterus. The fetus may be head up or down or facing the mother's back or front. At first, the fetus can move around easily or shift position as the mother moves. Toward the end of the pregnancy the fetus is larger, has less room to move, and stays in one position. How the fetus is positioned has an important effect on delivery and, for certain positions, a cesarean delivery is necessary. There are medical terms that describe precisely how the fetus is positioned, and identifying the fetal position helps doctors to anticipate potential difficulties during labor and delivery.

Presentation refers to the part of the fetus’s body that leads the way out through the birth canal (called the presenting part). Usually, the head leads the way, but sometimes the buttocks (breech presentation), shoulder, or face leads the way.

Position refers to whether the fetus is facing backward (occiput anterior) or forward (occiput posterior). The occiput is a bone at the back of the baby's head. Therefore, facing backward is called occiput anterior (facing the mother’s back and facing down when the mother lies on her back). Facing forward is called occiput posterior (facing toward the mother's pubic bone and facing up when the mother lies on her back).

Lie refers to the angle of the fetus in relation to the mother and the uterus. Up-and-down (with the baby's spine parallel to mother's spine, called longitudinal) is normal, but sometimes the lie is sideways (transverse) or at an angle (oblique).

For these aspects of fetal positioning, the combination that is the most common, safest, and easiest for the mother to deliver is the following:

Head first (called vertex or cephalic presentation)

Facing backward (occiput anterior position)

Spine parallel to mother's spine (longitudinal lie)

Neck bent forward with chin tucked

Arms folded across the chest

If the fetus is in a different position, lie, or presentation, labor may be more difficult, and a normal vaginal delivery may not be possible.

Variations in fetal presentation, position, or lie may occur when

The fetus is too large for the mother's pelvis (fetopelvic disproportion).

The uterus is abnormally shaped or contains growths such as fibroids .

The fetus has a birth defect .

There is more than one fetus (multiple gestation).

Position and Presentation of the Fetus

Variations in fetal position and presentation.

Some variations in position and presentation that make delivery difficult occur frequently.

Occiput posterior position

In occiput posterior position (sometimes called sunny-side up), the fetus is head first (vertex presentation) but is facing forward (toward the mother's pubic bone—that is, facing up when the mother lies on her back). This is a very common position that is not abnormal, but it makes delivery more difficult than when the fetus is in the occiput anterior position (facing toward the mother's spine—that is facing down when the mother lies on her back).

When a fetus faces up, the neck is often straightened rather than bent,which requires more room for the head to pass through the birth canal. Delivery assisted by a vacuum device or forceps or cesarean delivery may be necessary.

Breech presentation

In breech presentation, the baby's buttocks or sometimes the feet are positioned to deliver first (before the head).

When delivered vaginally, babies that present buttocks first are more at risk of injury or even death than those that present head first.

The reason for the risks to babies in breech presentation is that the baby's hips and buttocks are not as wide as the head. Therefore, when the hips and buttocks pass through the cervix first, the passageway may not be wide enough for the head to pass through. In addition, when the head follows the buttocks, the neck may be bent slightly backwards. The neck being bent backward increases the width required for delivery as compared to when the head is angled forward with the chin tucked, which is the position that is easiest for delivery. Thus, the baby’s body may be delivered and then the head may get caught and not be able to pass through the birth canal. When the baby’s head is caught, this puts pressure on the umbilical cord in the birth canal, so that very little oxygen can reach the baby. Brain damage due to lack of oxygen is more common among breech babies than among those presenting head first.

In a first delivery, these problems may occur more frequently because a woman’s tissues have not been stretched by previous deliveries. Because of risk of injury or even death to the baby, cesarean delivery is preferred when the fetus is in breech presentation, unless the doctor is very experienced with and skilled at delivering breech babies or there is not an adequate facility or equipment to safely perform a cesarean delivery.

Breech presentation is more likely to occur in the following circumstances:

Labor starts too soon (preterm labor).

The uterus is abnormally shaped or contains abnormal growths such as fibroids .

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Pregnancy week by week
Fetal presentation before birth

The way a baby is positioned in the uterus just before birth can have a big effect on labor and delivery. This positioning is called fetal presentation.

Babies twist, stretch and tumble quite a bit during pregnancy. Before labor starts, however, they usually come to rest in a way that allows them to be delivered through the birth canal headfirst. This position is called cephalic presentation. But there are other ways a baby may settle just before labor begins.

Following are some of the possible ways a baby may be positioned at the end of pregnancy.

Head down, face down

When a baby is head down, face down, the medical term for it is the cephalic occiput anterior position. This the most common position for a baby to be born in. With the face down and turned slightly to the side, the smallest part of the baby's head leads the way through the birth canal. It is the easiest way for a baby to be born.

Head down, face up

When a baby is head down, face up, the medical term for it is the cephalic occiput posterior position. In this position, it might be harder for a baby's head to go under the pubic bone during delivery. That can make labor take longer.

Most babies who begin labor in this position eventually turn to be face down. If that doesn't happen, and the second stage of labor is taking a long time, a member of the health care team may reach through the vagina to help the baby turn. This is called manual rotation.

In some cases, a baby can be born in the head-down, face-up position. Use of forceps or a vacuum device to help with delivery is more common when a baby is in this position than in the head-down, face-down position. In some cases, a C-section delivery may be needed.

Illustration of the head-down, face-up position

Frank breech

When a baby's feet or buttocks are in place to come out first during birth, it's called a breech presentation. This happens in about 3% to 4% of babies close to the time of birth. The baby shown below is in a frank breech presentation. That's when the knees aren't bent, and the feet are close to the baby's head. This is the most common type of breech presentation.

If you are more than 36 weeks into your pregnancy and your baby is in a frank breech presentation, your health care professional may try to move the baby into a head-down position. This is done using a procedure called external cephalic version. It involves one or two members of the health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

If the procedure isn't successful, or if the baby moves back into a breech position, talk with a member of your health care team about the choices you have for delivery. Most babies in a frank breech position are born by planned C-section.

Illustration of the frank breech position

Complete and incomplete breech

A complete breech presentation, as shown below, is when the baby has both knees bent and both legs pulled close to the body. In an incomplete breech, one or both of the legs are not pulled close to the body, and one or both of the feet or knees are below the baby's buttocks. If a baby is in either of these positions, you might feel kicking in the lower part of your belly.

If you are more than 36 weeks into your pregnancy and your baby is in a complete or incomplete breech presentation, your health care professional may try to move the baby into a head-down position. This is done using a procedure called external cephalic version. It involves one or two members of the health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

If the procedure isn't successful, or if the baby moves back into a breech position, talk with a member of your health care team about the choices you have for delivery. Many babies in a complete or incomplete breech position are born by planned C-section.

Illustration of a complete breech presentation

When a baby is sideways — lying horizontal across the uterus, rather than vertical — it's called a transverse lie. In this position, the baby's back might be:

Down, with the back facing the birth canal.
Sideways, with one shoulder pointing toward the birth canal.
Up, with the hands and feet facing the birth canal.

Although many babies are sideways early in pregnancy, few stay this way when labor begins.

If your baby is in a transverse lie during week 37 of your pregnancy, your health care professional may try to move the baby into a head-down position. This is done using a procedure called external cephalic version. External cephalic version involves one or two members of your health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

If the procedure isn't successful, or if the baby moves back into a transverse lie, talk with a member of your health care team about the choices you have for delivery. Many babies who are in a transverse lie are born by C-section.

If you're pregnant with twins and only the twin that's lower in the uterus is head down, as shown below, your health care provider may first deliver that baby vaginally.

Then, in some cases, your health care team may suggest delivering the second twin in the breech position. Or they may try to move the second twin into a head-down position. This is done using a procedure called external cephalic version. External cephalic version involves one or two members of the health care team putting pressure on your belly with their hands to get the baby to roll into a head-down position.

Your health care team may suggest delivery by C-section for the second twin if:

An attempt to deliver the baby in the breech position is not successful.
You do not want to try to have the baby delivered vaginally in the breech position.
An attempt to move the baby into a head-down position is not successful.
You do not want to try to move the baby to a head-down position.

In some cases, your health care team may advise that you have both twins delivered by C-section. That might happen if the lower twin is not head down, the second twin has low or high birth weight as compared to the first twin, or if preterm labor starts.

Landon MB, et al., eds. Normal labor and delivery. In: Gabbe's Obstetrics: Normal and Problem Pregnancies. 8th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed May 19, 2023.
Holcroft Argani C, et al. Occiput posterior position. https://www.updtodate.com/contents/search. Accessed May 19, 2023.
Frequently asked questions: If your baby is breech. American College of Obstetricians and Gynecologists https://www.acog.org/womens-health/faqs/if-your-baby-is-breech. Accessed May 22, 2023.
Hofmeyr GJ. Overview of breech presentation. https://www.updtodate.com/contents/search. Accessed May 22, 2023.
Strauss RA, et al. Transverse fetal lie. https://www.updtodate.com/contents/search. Accessed May 22, 2023.
Chasen ST, et al. Twin pregnancy: Labor and delivery. https://www.updtodate.com/contents/search. Accessed May 22, 2023.
Cohen R, et al. Is vaginal delivery of a breech second twin safe? A comparison between delivery of vertex and non-vertex second twins. The Journal of Maternal-Fetal & Neonatal Medicine. 2021; doi:10.1080/14767058.2021.2005569.
Marnach ML (expert opinion). Mayo Clinic. May 31, 2023.

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Breech presentation: diagnosis and management

Key messages.

All women with a breech presentation should be offered an external cephalic version (ECV) from 37 weeks, if there are no contraindications.
Elective caesarean section (ELCS) for a singleton breech at term has been shown to reduce perinatal and neonatal mortality rates.
Planning for vaginal breech birth requires careful assessment of suitability criteria, contraindications and the ability of the service to provide experienced personnel.

In June 2023, we commenced a project to review and update the Maternity and Neonatal eHandbook guidelines, with a view to targeting completion in 2024. Please be aware that pending this review, some of the current guidelines may be out of date. In the meantime, we recommend that you also refer to more contemporaneous evidence.

Breech and external cephalic version

Breech presentation is when the fetus is lying longitudinally and its buttocks, foot or feet are presenting instead of its head.

Figure 1. Breech presentations

Breech presentation occurs in three to four per cent of term deliveries and is more common in nulliparous women.
External cephalic version (ECV) from 37 weeks has been shown to decrease the incidence of breech presentation at term and the subsequent elective caesarean section (ELCS) rate.
Vaginal breech birth increases the risk of low Apgar scores and more serious short-term complications, but evidence has not shown an increase in long-term morbidity.
Emergency caesarean section (EMCS) is needed in approximately 40 per cent of women planning a vaginal breech birth.
0.5/1000 with ELCS for breech >39 weeks gestation
2.0/1000 planned vaginal breech birth >39/40
1.0/1000 with planned cephalic birth.
A reduction in planned vaginal breech birth followed publication of the Term Breech Trial (TBT) in 2001.
Acquisition of skills necessary to manage breech presentation (for example, ECV) is important to optimise outcomes.

Clinical suspicion of breech presentation

Abdominal palpation: if the presenting part is irregular and not ballotable or if the fetal head is ballotable at the fundus
Pelvic examination: head not felt in the pelvis
Cord prolapse
Very thick meconium after rupture of membranes
Fetal heart heard higher in the abdomen

In cases of extended breech, the breech may not be ballotable and the fetal heart may be heard in the same location as expected for a cephalic presentation.

If breech presentation is suspected, an ultrasound examination will confirm diagnosis.

Cord prolapse is an obstetric emergency. Urgent delivery is indicated after confirming gestation and fetal viability.

Diagnosis: preterm ≤36+6 weeks

Breech presentation is a normal finding in preterm pregnancy.
If diagnosed at the 35-36 week antenatal visit, refer the woman for ultrasound scan to enable assessment prior to ECV.
Mode of birth in a breech preterm delivery depends on the clinical circumstances.

Diagnosis: ≥37+0 weeks

determine type of breech presentation
determine extension/flexion of fetal head
locate position of placenta and exclude placenta praevia
exclude fetal congenital abnormality
calculate amniotic fluid index
estimate fetal weight.

Practice points

Offer ECV if there are no contraindications.
If ECV is declined or unsuccessful, provide counselling on risks and benefits of a planned vaginal birth versus an ELCS.
Inform the woman that there are fewer maternal complications with a successful vaginal birth, however the risk to the woman increases significantly if there is a need for an EMCS.
Inform the woman that caesarean section increases the risk of complication in future pregnancies, including the risk of a repeat caesarean section and the risk of invasive placentation.
If the woman chooses an ELCS, document consent and organise booking for 39 weeks gestation.

Information and decision making

Women with a breech presentation should have the opportunity to make informed decisions about their care and treatment, in partnership with the clinicians providing care.

Planning for birth requires careful assessment for risk of poor outcomes relating to planned vaginal breech birth. If any risk factors are identified, inform the woman that an ELCS is recommended due to increased perinatal risk.

Good communication between clinicians and women is essential. Treatment, care and information provided should:

take into account women's individual needs and preferences
be supported by evidence-based, written information tailored to the needs of the individual woman
be culturally appropriate
be accessible to women, their partners, support people and families
take into account any specific needs, such as physical or cognitive disabilities or limitations to their ability to understand spoken or written English.

Documentation

The following should be documented in the woman's hospital medical record and (where applicable) in her hand-held medical record:

discussion of risks and benefits of vaginal breech birth and ELCS
discussion of the woman's questions about planned vaginal breech birth and ELCS
discussion of ECV, if applicable
consultation, referral and escalation

External cephalic version (ECV)

ECV can be offered from 37 weeks gestation
The woman must provide written consent prior to the procedure
The success rate of ECV is 40-60 per cent
Approximately one in 200 ECV attempts will lead to EMCS
ECV should only be performed by a suitably trained, experienced clinician
continuous electronic fetal monitoring (EFM)
capability to perform an EMCS.

Contraindications

Table 1. Contraindications to ECV

Precautions

Hypertension
Oligohydramnios
Nuchal cord

Escalate care to a consultant obstetrician if considering ECV in these circumstances.

Perform a CTG prior to the procedure - continue until RANZCOG criteria for a normal antenatal CTG are met.
250 microg s/c, 30 minutes prior to the procedure.
Administer Anti-D immunoglobulin if the woman is rhesus negative.
Do not make more than four attempts at ECV, for a suggested maximum time of ten minutes in total.
Undertake CTG monitoring post-procedure until RANZCOG criteria for a normal antenatal CTG are met.

Emergency management

Urgent delivery is indicated in the event of the following complications:

abnormal CTG
vaginal bleeding
unexplained pain.

Initiate emergency response as per local guidelines.

Alternatives to ECV

There is a lack of evidence to support the use of moxibustion, acupuncture or postural techniques to achieve a vertex presentation after 35 weeks gestation.

Criteria for a planned vaginal breech birth

Documented evidence of counselling regarding mode of birth
Documentation of informed consent, including written consent from the woman
Estimated fetal weight of 2500-4000g
Flexed fetal head
Emergency theatre facilities available on site
Availability of suitably skilled healthcare professional
Frank or complete breech presentation
No previous caesarean section.
Cord presentation
Fetal growth restriction or macrosomia
Any presentation other than a frank or complete breech
Extension of the fetal head
Fetal anomaly incompatible with vaginal delivery
Clinically inadequate maternal pelvis
Previous caesarean section
Inability of the service to provide experienced personnel.

If an ELCS is booked

Confirm presentation by ultrasound scan when a woman presents for ELCS.
If fetal presentation is cephalic on admission for ELCS, plan ongoing management with the woman.

Intrapartum management

Fetal monitoring.

Advise the woman that continuous EFM may lead to improved neonatal outcomes.
Where continuous EFM is declined, perform intermittent EFM or intermittent auscultation, with conversion to EFM if an abnormality is detected.
A fetal scalp electrode can be applied to the breech.

Position of the woman

The optimal maternal position for birth is upright.
Lithotomy may be appropriate, depending on the accoucheur's training and experience.

Pain relief

Epidural analgesia may increase the risk of intervention with a vaginal breech birth.
Epidural analgesia may impact on the woman's ability to push spontaneously in the second stage of labour.

Induction of labour (IOL)

See the IOL eHandbook page for more detail.

IOL may be offered if clinical circumstances are favourable and the woman wishes to have a vaginal birth.
Augmentation (in the absence of an epidural) should be avoided as adequate progress in the absence of augmentation may be the best indicator of feto-pelvic proportions.

The capacity to offer IOL will depend on clinician experience and availability and service capability.

First stage

Manage with the same principles as a cephalic presentation.
Labour should be expected to progress as for a cephalic presentation.
If progress in the first stage is slow, consider a caesarean section.
If an epidural is in situ and contractions are less than 4:10, consult with a senior obstetrician.
Avoid routine amniotomy to avoid the risk of cord prolapse or cord compression.

Second stage

Allow passive descent of the breech to the perineum prior to active pushing.
If breech is not visible within one hour of passive descent, a caesarean section is normally recommended.
Active second stage should be ½ hour for a multigravida and one hour for a primipara.
All midwives and obstetricians should be familiar with the techniques and manoeuvres required to assist a vaginal breech birth.
Ensure a consultant obstetrician is present for birth.
Ensure a senior paediatric clinician is present for birth.

VIDEO: Maternity Training International - Vaginal Breech Birth

Encouragement of maternal pushing (if at all) should not begin until the presenting part is visible.
A hands-off approach is recommended.
Significant cord compression is common once buttocks have passed the perineum.
Timely intervention is recommended if there is slow progress once the umbilicus has delivered.
Allow spontaneous birth of the trunk and limbs by maternal effort as breech extraction can cause extension of the arms and head.
Grasp the fetus around the bony pelvic girdle, not soft tissue, to avoid trauma.
Assist birth if there is a delay of more than five minutes from delivery of the buttocks to the head, or of more than three minutes from the umbilicus to the head.
Signs that delivery should be expedited also include lack of tone or colour or sign of poor fetal condition.
Ensure fetal back remains in the anterior position.
Routine episiotomy not recommended.
Lovset's manoeuvre for extended arms.
Reverse Lovset's manoeuvre may be used to reduce nuchal arms.
Supra-pubic pressure may aide flexion of the fetal head.
Maricueau-Smellie-Veit manoeuvre or forceps may be used to deliver the after coming head.

Undiagnosed breech in labour

This occurs in approximately 25 per cent of breech presentations.
Management depends on the stage of labour when presenting.
Assessment is required around increased complications, informed consent and suitability of skilled expertise.
Do not routinely offer caesarean section to women in active second stage.
If there is no senior obstetrician skilled in breech delivery, an EMCS is the preferred option.
If time permits, a detailed ultrasound scan to estimate position of fetal neck and legs and estimated fetal weight should be made and the woman counselled.

Entrapment of the fetal head

This is an extreme emergency

This complication is often due to poor selection for vaginal breech birth.

A vaginal examination (VE) should be performed to ensure that the cervix is fully dilated.
If a lip of cervix is still evident try to push the cervix over the fetal head.
If the fetal head has entered the pelvis, perform the Mauriceau-Smellie-Veit manoeuvre combined with suprapubic pressure from a second attendant in a direction that maintains flexion and descent of the fetal head.
Rotate fetal body to a lateral position and apply suprapubic pressure to flex the fetal head; if unsuccessful consider alternative manoeuvres.
Reassess cervical dilatation; if not fully dilated consider Duhrssen incision at 2, 10 and 6 o'clock.
A caesarean section may be performed if the baby is still alive.

Neonatal management

Paediatric review.
Routine observations as per your local guidelines, recorded on a track and trigger chart.
Observe for signs of jaundice.
Observe for signs of tissue or nerve damage.
Hip ultrasound scan to be performed at 6-12 weeks post birth to monitor for developmental dysplasia of the hip (DDH). See Neonatal eHandbook - Developmental dysplasia of the hip .

More information

Audit and performance improvement.

All maternity services should have processes in place for:

auditing clinical practice and outcomes
providing feedback to clinicians on audit results
addressing risks, if identified
implementing change, if indicated.

Potential auditable standards are:

number of women with a breech presentation offered ECV
success rate of ECV
ECV complications
rate of planned vaginal breech birth
breech birth outcomes for vaginal and caesarean birth.

For more information or assistance with auditing, please contact us via [email protected]

Bue and Lauszus 2016, Moxibustion did not have an effect in a randomised clinical trial for version of breech position. Danish Medical Journal 63(2), A599
Coulon et.al. 2014, Version of breech fetuses by moxibustion with acupuncture. Obstetrics and Gynecology 124(1), 32-39. DOI: 10.1097/AOG.0000000000000303
Coyle ME, Smith CA, Peat B 2012, Cephalic version by moxibustion for breech presentation. Cochrane Database of Systematic Reviews 2012, Issue 5. Art. No.: CD003928. DOI: 10.1002/14651858.CD003928.pub3
Evans J 2012, Essentially MIDIRS Understanding Physiological Breech Birth Volume 3. Number 2. February 2012
Hoffmann J, Thomassen K, Stumpp P, Grothoff M, Engel C, Kahn T, et al. 2016, New MRI Criteria for Successful Vaginal Breech Delivery in Primiparae. PLoS ONE 11(8): e0161028. doi:10.1371/journal.pone.0161028
Hofmeyr GJ, Kulier R 2012, Cephalic version by postural management for breech presentation. Cochrane Database of Systematic Reviews 2012, Issue 10. Art. No.: CD000051. DOI: 10.1002/14651858.CD000051.pub2
New South Wales Department of Health 2013, Maternity: Management of Breech Presentation HNELHD CG 13_01, NSW Government; 2013
Royal College of Obstetricians and Gynaecologists 2017, External Cephalic Version and Reducing the Incidence of Term Breech Presentation. Green-top Guideline No. 20a . London: RCOG; 2017
The Royal Australian and New Zealand College of Obstetricians and Gynaecologists (RANZCOG) 2016, Management of breech presentation at term , July 2016 C-Obs-11:
The Royal Women's Hospital 2015, Management of Breech - Clinical Guideline
Women's and Newborn Health Service, King Edward Memorial Hospital 2015, Complications of Pregnancy Breech Presentation

Abbreviations

Get in touch, version history.

First published: November 2018 Due for review: November 2021

Uncontrolled when downloaded

6.1 Breech presentation

Presentation of the feet or buttocks of the foetus.

6.1.1 The different breech presentations

In a complete breech presentation, the legs are tucked, and the foetus is in a crouching position (Figure 6.1a).
In a frank breech presentation, the legs are extended, raised in front of the torso, with the feet near the head (Figure 6.1b).
In a footling breech presentation (rare), one or both feet present first, with the buttocks higher up and the lower limbs extended or half-bent (Figure 6.1c).

6.1.2 Diagnosis

The cephalic pole is palpable in the uterine fundus; round, hard, and mobile; the indentation of the neck can be felt.
The inferior pole is voluminous, irregular, less hard, and less mobile than the head.
During labour, vaginal examination reveals a “soft mass” divided by the cleft between the buttocks, with a hard projection at end of the cleft (the coccyx and sacrum).
After rupture of the membranes: the anus can be felt in the middle of the cleft; a foot may also be felt.
The clinical diagnosis may be difficult: a hand may be mistaken for a foot, a face for a breech.

6.1.3 Management

Route of delivery.

Before labour, external version (Chapter 7, Section 7.7 ) may be attempted to avoid breech delivery.

If external version is contra-indicated or unsuccessful, the breech position alone – in the absence of any other anomaly – is not, strictly speaking, a dystocic presentation, and does not automatically require a caesarean section. Deliver vaginally, if possible – even if the woman is primiparous.

Breech deliveries must be done in a CEmONC facility, especially for primiparous women.

Favourable factors for vaginal delivery are:

Frank breech presentation;
A history of vaginal delivery (whatever the presentation);
Normally progressing dilation during labour.

The footling breech presentation is a very unfavourable position for vaginal delivery (risk of foot or cord prolapse). In this situation, the route of delivery depends on the number of previous births, the state of the membranes and how far advanced the labour is.

During labour

Monitor dilation every 2 to 4 hours.
If contractions are of good quality, dilation is progressing, and the foetal heart rate is regular, an expectant approach is best. Do not rupture the membranes unless dilation stops.
If the uterine contractions are inadequate, labour can be actively managed with oxytocin.

Note : if the dilation stales, transfer the mother to a CEmONC facility unless already done, to ensure access to surgical facility for potential caesarean section.

At delivery

Insert an IV line before expulsion starts.
Consider episiotomy at expulsion. Episiotomy is performed when the perineum is sufficiently distended by the foetus's buttocks.
Presence of meconium or meconium-stained amniotic fluid is common during breech delivery and is not necessarily a sign of foetal distress.
The infant delivers unaided , as a result of the mother's pushing, simply supported by the birth attendant who gently holds the infant by the bony parts (hips and sacrum), with no traction. Do not pull on the legs.

Once the umbilicus is out, the rest of the delivery must be completed within 3 minutes, otherwise compression of the cord will deprive the infant of oxygen. Do not touch the infant until the shoulder blades appear to avoid triggering the respiratory reflex before the head is delivered.

Monitor the position of the infant's back; impede rotation into posterior position.

Figures 6.2 - Breech delivery

6.1.4 Breech delivery problems

Posterior orientation.

If the infant’s back is posterior during expulsion, take hold of the hips and turn into an anterior position (this is a rare occurrence).

Obstructed shoulders

The shoulders can become stuck and hold back the infant's upper chest and head. This can occur when the arms are raised as the shoulders pass through the mother's pelvis. There are 2 methods for lowering the arms so that the shoulders can descend:

1 - Lovset's manoeuvre

With thumbs on the infant's sacrum, take hold of the hips and pelvis with the other fingers.
Turn the infant 90° (back to the left or to the right), to bring the anterior shoulder underneath the symphysis and engage the arm. Deliver the anterior arm.
Then do a 180° counter-rotation (back to the right or to the left); this engages the posterior arm, which is then delivered.

Figures 6.3 - Lovset's manoeuvre

6.3c - Delivering the anterior arm and shoulder

2 - Suzor’s manoeuvre

In case the previous method fails:

Turn the infant 90° (its back to the right or to the left).
Pull the infant downward: insert one hand along the back to look for the anterior arm. With the operator thumb in the infant armpit and middle finger along the arm, bring down the arm (Figure 6.4a).
Lift infant upward by the feet in order to deliver the posterior shoulder (Figure 6.4b).

Figures 6.4 - Suzor's manoeuvre

6.4b - Delivering the posterior shoulder

Head entrapment

The infant's head is bulkier than the body, and can get trapped in the mother's pelvis or soft tissue.

There are various manoeuvres for delivering the head by flexing it, so that it descends properly, and then pivoting it up and around the mother's symphysis. These manoeuvres must be done without delay, since the infant must be allowed to breathe as soon as possible. All these manoeuvres must be performed smoothly, without traction on the infant.

1 - Bracht's manoeuvre

After the arms are delivered, the infant is grasped by the hips and lifted with two hands toward the mother's stomach, without any traction, the neck pivoting around the symphysis.
Having an assistant apply suprapubic pressure facilitates delivery of the aftercoming head.

2 - Modified Mauriceau manoeuvre

Infant's head occiput anterior.
Kneel to get a good traction angle: 45° downward.
Support the infant on the hand and forearm, then insert the index and middle fingers, placing them on the infant’s maxilla. Placing the index and middle fingers into the infant’s mouth is not recommended, as this can fracture the mandible.
Place the index and middle fingers of the other hand on either side of the infant's neck and lower the infant's head to bring the sub-occiput under the symphysis (Figure 6.6a).
Tip the infant’s head and with a sweeping motion bring the back up toward the mother's abdomen, pivoting the occiput around her symphysis pubis (Figure 6.6b).
Suprapubic pressure on the infant's head along the pelvic axis helps delivery of the head.
As a last resort, symphysiotomy (Chapter 5, Section 5.7 ) can be combined with this manoeuvre.

Figures 6.6 - Modified Mauriceau manoeuvre

6.6a - Step 1 Infant straddles the birth attendant's forearm; the head, occiput anterior, is lowered to bring the occiput in contact with the symphysis.

6.6b - Step 2 The infant's back is tipped up toward the mother's abdomen.

3 - Forceps on aftercoming head

This procedure can only be performed by an operator experienced in using forceps.

Breech baby at the end of pregnancy

Published: July 2017

Please note that this information will be reviewed every 3 years after publication.

This patient information page provides advice if your baby is breech towards the end of pregnancy and the options available to you.

It may also be helpful if you are a partner, relative or friend of someone who is in this situation.

The information here aims to help you better understand your health and your options for treatment and care. Your healthcare team is there to support you in making decisions that are right for you. They can help by discussing your situation with you and answering your questions.

This information is for you if your baby remains in the breech position after 36 weeks of pregnancy. Babies lying bottom first or feet first in the uterus (womb) instead of in the usual head-first position are called breech babies.

This information includes:

What breech is and why your baby may be breech
The different types of breech
The options if your baby is breech towards the end of your pregnancy
What turning a breech baby in the uterus involves (external cephalic version or ECV)
How safe ECV is for you and your baby
Options for birth if your baby remains breech
Other information and support available

Within this information, we may use the terms ‘woman’ and ‘women’. However, it is not only people who identify as women who may want to access this information. Your care should be personalised, inclusive and sensitive to your needs, whatever your gender identity.

A glossary of medical terms is available at A-Z of medical terms .

Breech is very common in early pregnancy, and by 36–37 weeks of pregnancy most babies will turn into the head-first position. If your baby remains breech, it does not usually mean that you or your baby have any problems.
Turning your baby into the head-first position so that you can have a vaginal delivery is a safe option.
The alternative to turning your baby into the head-first position is to have a planned caesarean section or a planned vaginal breech birth.

Babies lying bottom first or feet first in the uterus (womb) instead of in the usual head-first position are called breech babies. Breech is very common in early pregnancy, and by 36-37 weeks of pregnancy, most babies turn naturally into the head-first position.

Towards the end of pregnancy, only 3-4 in every 100 (3-4%) babies are in the breech position.

A breech baby may be lying in one of the following positions:

It may just be a matter of chance that your baby has not turned into the head-first position. However, there are certain factors that make it more difficult for your baby to turn during pregnancy and therefore more likely to stay in the breech position. These include:

if this is your first pregnancy
if your placenta is in a low-lying position (also known as placenta praevia); see the RCOG patient information Placenta praevia, placenta accreta and vasa praevia
if you have too much or too little fluid ( amniotic fluid ) around your baby
if you are having more than one baby.

Very rarely, breech may be a sign of a problem with the baby. If this is the case, such problems may be picked up during the scan you are offered at around 20 weeks of pregnancy.

If your baby is breech at 36 weeks of pregnancy, your healthcare professional will discuss the following options with you:

trying to turn your baby in the uterus into the head-first position by external cephalic version (ECV)
planned caesarean section
planned vaginal breech birth.

What does ECV involve?

ECV involves applying gentle but firm pressure on your abdomen to help your baby turn in the uterus to lie head-first.

Relaxing the muscle of your uterus with medication has been shown to improve the chances of turning your baby. This medication is given by injection before the ECV and is safe for both you and your baby. It may make you feel flushed and you may become aware of your heart beating faster than usual but this will only be for a short time.

Before the ECV you will have an ultrasound scan to confirm your baby is breech, and your pulse and blood pressure will be checked. After the ECV, the ultrasound scan will be repeated to see whether your baby has turned. Your baby’s heart rate will also be monitored before and after the procedure. You will be advised to contact the hospital if you have any bleeding, abdominal pain, contractions or reduced fetal movements after ECV.

ECV is usually performed after 36 or 37 weeks of pregnancy. However, it can be performed right up until the early stages of labour. You do not need to make any preparations for your ECV.

ECV can be uncomfortable and occasionally painful but your healthcare professional will stop if you are experiencing pain and the procedure will only last for a few minutes. If your healthcare professional is unsuccessful at their first attempt in turning your baby then, with your consent, they may try again on another day.

If your blood type is rhesus D negative, you will be advised to have an anti-D injection after the ECV and to have a blood test. See the NICE patient information Routine antenatal anti-D prophylaxis for women who are rhesus D negative , which is available at: www.nice.org.uk/guidance/ta156/informationforpublic .

Why turn my baby head-first?

If your ECV is successful and your baby is turned into the head-first position you are more likely to have a vaginal birth. Successful ECV lowers your chances of requiring a caesarean section and its associated risks.

Is ECV safe for me and my baby?

ECV is generally safe with a very low complication rate. Overall, there does not appear to be an increased risk to your baby from having ECV. After ECV has been performed, you will normally be able to go home on the same day.

When you do go into labour, your chances of needing an emergency caesarean section, forceps or vacuum (suction cup) birth is slightly higher than if your baby had always been in a head-down position.

Immediately after ECV, there is a 1 in 200 chance of you needing an emergency caesarean section because of bleeding from the placenta and/or changes in your baby’s heartbeat.

ECV should be carried out by a doctor or a midwife trained in ECV. It should be carried out in a hospital where you can have an emergency caesarean section if needed.

ECV can be carried out on most women, even if they have had one caesarean section before.

ECV should not be carried out if:

you need a caesarean section for other reasons, such as placenta praevia; see the RCOG patient information Placenta praevia, placenta accreta and vasa praevia
you have had recent vaginal bleeding
your baby’s heart rate tracing (also known as CTG) is abnormal
your waters have broken
you are pregnant with more than one baby; see the RCOG patient information Multiple pregnancy: having more than one baby .

Is ECV always successful?

ECV is successful for about 50% of women. It is more likely to work if you have had a vaginal birth before. Your healthcare team should give you information about the chances of your baby turning based on their assessment of your pregnancy.

If your baby does not turn then your healthcare professional will discuss your options for birth (see below). It is possible to have another attempt at ECV on a different day.

If ECV is successful, there is still a small chance that your baby will turn back to the breech position. However, this happens to less than 5 in 100 (5%) women who have had a successful ECV.

There is no scientific evidence that lying down or sitting in a particular position can help your baby to turn. There is some evidence that the use of moxibustion (burning a Chinese herb called mugwort) at 33–35 weeks of pregnancy may help your baby to turn into the head-first position, possibly by encouraging your baby’s movements. This should be performed under the direction of a registered healthcare practitioner.

Depending on your situation, your choices are:

There are benefits and risks associated with both caesarean section and vaginal breech birth, and these should be discussed with you so that you can choose what is best for you and your baby.

Caesarean section

If your baby remains breech towards the end of pregnancy, you should be given the option of a caesarean section. Research has shown that planned caesarean section is safer for your baby than a vaginal breech birth. Caesarean section carries slightly more risk for you than a vaginal birth.

Caesarean section can increase your chances of problems in future pregnancies. These may include placental problems, difficulty with repeat caesarean section surgery and a small increase in stillbirth in subsequent pregnancies. See the RCOG patient information Choosing to have a caesarean section .

If you choose to have a caesarean section but then go into labour before your planned operation, your healthcare professional will examine you to assess whether it is safe to go ahead. If the baby is close to being born, it may be safer for you to have a vaginal breech birth.

Vaginal breech birth

After discussion with your healthcare professional about you and your baby’s suitability for a breech delivery, you may choose to have a vaginal breech birth. If you choose this option, you will need to be cared for by a team trained in helping women to have breech babies vaginally. You should plan a hospital birth where you can have an emergency caesarean section if needed, as 4 in 10 (40%) women planning a vaginal breech birth do need a caesarean section. Induction of labour is not usually recommended.

While a successful vaginal birth carries the least risks for you, it carries a small increased risk of your baby dying around the time of delivery. A vaginal breech birth may also cause serious short-term complications for your baby. However, these complications do not seem to have any long-term effects on your baby. Your individual risks should be discussed with you by your healthcare team.

Before choosing a vaginal breech birth, it is advised that you and your baby are assessed by your healthcare professional. They may advise against a vaginal birth if:

your baby is a footling breech (one or both of the baby’s feet are below its bottom)
your baby is larger or smaller than average (your healthcare team will discuss this with you)
your baby is in a certain position, for example, if its neck is very tilted back (hyper extended)
you have a low-lying placenta (placenta praevia); see the RCOG patient information Placenta Praevia, placenta accreta and vasa praevia
you have pre-eclampsia or any other pregnancy problems; see the RCOG patient information Pre-eclampsia .

With a breech baby you have the same choices for pain relief as with a baby who is in the head-first position. If you choose to have an epidural, there is an increased chance of a caesarean section. However, whatever you choose, a calm atmosphere with continuous support should be provided.

If you have a vaginal breech birth, your baby’s heart rate will usually be monitored continuously as this has been shown to improve your baby’s chance of a good outcome.

In some circumstances, for example, if there are concerns about your baby’s heart rate or if your labour is not progressing, you may need an emergency caesarean section during labour. A paediatrician (a doctor who specialises in the care of babies, children and teenagers) will attend the birth to check your baby is doing well.

If you go into labour before 37 weeks of pregnancy, the balance of the benefits and risks of having a caesarean section or vaginal birth changes and will be discussed with you.

If you are having twins and the first baby is breech, your healthcare professional will usually recommend a planned caesarean section.

If, however, the first baby is head-first, the position of the second baby is less important. This is because, after the birth of the first baby, the second baby has lots more room to move. It may turn naturally into a head-first position or a doctor may be able to help the baby to turn. See the RCOG patient information Multiple pregnancy: having more than one baby .

If you would like further information on breech babies and breech birth, you should speak with your healthcare professional.

Further information

NHS information on breech babies
NCT information on breech babies

If you are asked to make a choice, you may have lots of questions that you want to ask. You may also want to talk over your options with your family or friends. It can help to write a list of the questions you want answered and take it to your appointment.

Ask 3 Questions

To begin with, try to make sure you get the answers to 3 key questions , if you are asked to make a choice about your healthcare:

What are my options?
What are the pros and cons of each option for me?
How do I get support to help me make a decision that is right for me?

*Ask 3 Questions is based on Shepherd et al. Three questions that patients can ask to improve the quality of information physicians give about treatment options: A cross-over trial. Patient Education and Counselling, 2011;84:379-85

https://aqua.nhs.uk/resources/shared-decision-making-case-studies/

Sources and acknowledgements

This information has been developed by the RCOG Patient Information Committee. It is based on the RCOG Green-top Clinical Guidelines No. 20a External Cephalic Version and Reducing Incidence of Term Breech Presentation and No. 20b Management of Breech Presentation . The guidelines contain a full list of the sources of evidence we have used.

This information was reviewed before publication by women attending clinics in Nottingham, Essex, Inverness, Manchester, London, Sussex, Bristol, Basildon and Oxford, by the RCOG Women’s Network and by the RCOG Women’s Voices Involvement Panel.

Please give us feedback by completing our feedback survey:

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External Cephalic Version and Reducing the Incidence of Term Breech Presentation Green-top Guideline

Management of Breech Presentation Green-top Guideline

Acupuncture & Moxibustion for Breech Presentation BY SUSAN WALLMEYER, L.AC. & SARAH TEWHEY, L.AC.

Evidence summary:, acupuncture & moxibustion for breech presentation, strength of evidence.

INTRODUCTION

Breech (feet first) presentation of the foetus in the last month of pregnancy occurs in 3-4% of all pregnancies. 1 In the United States, 90% of all breech babies are born via cesarean section, 2 a major surgical procedure that carries risk but also impacts maternal outcomes, postpartum recovery, and adds to costs in the healthcare system. 3 Access to a variety of corrective options that may increase the chance of a baby turning from breech to cephalic (head down) will benefit both the healthcare system and people giving birth.

Acupuncture and Moxibustion for Breech Presentation PDF

Moxibustion treatment for breech presentation generally involves lighting a rolled cigar-like moxa stick of dried Chinese mugwort, also known as Ai Ye, or Artemisia argyi , and using the heat from it to warm and stimulate a point located on the outer edge of the 5th toe known as Zhi Yin or Urinary Bladder 67 (UB67). The moxa stick is held close to the point to warm it once or twice daily for 15-30 minutes, for 5-14 consecutive days. Optimal timing for moxibustion and acupuncture treatment for breech has not yet been definitively determined by research, but it is generally accepted within the acupuncture community that treatment is most effective at 33-35 weeks gestation. 4 Providing this intervention as an option to parents may help to reduce rates of breech presentation at term, 5, 6 thereby lowering rates of cesarean section and improving maternal outcomes, leading to improved satisfaction with birth experience.

CURRENT STANDARD OF CARE

Summary of research.

A 2023 Cochrane Systematic Review by Coyle et al. 5 looked at 13 trials (2181 participants) that assessed the use of moxibustion, acupuncture, postural techniques, and usual care for breech presentation in uncomplicated pregnancies. Of those 13 trials, 7 studies (1152 participants) compared moxibustion treatment plus usual care to usual care alone and found moderate certainty evidence that moxibustion before 37 weeks of pregnancy probably reduces the chance of breech presentation at birth and the need for oxytocin use during birth. Despite these findings, the overall rate of cesarean section was not decreased by using moxibustion to change foetal presentation. The authors noted that although a cesarean section can occur for many reasons unrelated to a baby’s position, none of the studies reported on the reasons for cesarean section in either group.

While contemporary East Asian Medicine practised in the West tends to emphasize moxibustion for turning breech babies, a survey of practitioners reported that 50% combine it with acupuncture as the standard of care in their practice. 4 At this time, only a small amount of research looks at the effect of this combination. A 2021 Systematic Review by Liao et al. 6 of 16 studies (2555 participants) found that each “acupuncture-type intervention” (whether moxibustion at UB67 alone, acupuncture alone or moxibustion at UB67 plus acupuncture) led to an increased rate of cephalic presentation at birth when compared to usual care. However, the 2023 Cochrane Review authors concluded that there is not enough data to determine if the “combination treatments” (moxibustion plus acupuncture) led to an increase in head down babies at birth over moxibustion alone. 5 More research is needed to determine the effects of this clinically relevant style of treatment.

Vas et al. 7 conducted a large (406 participants) and well-designed study to determine if the UB67 acupuncture point location was specifically helpful with turning breech babies. They compared three groups; those who had moxibustion at UB67, those who had moxibustion at an “inactive” point, and those who received usual care (no moxibustion). Fifty-eight percent of participants in the UB67 moxibustion group had babies who turned head down. The groups performing moxibustion on an inactive point or who had usual care had lower rates of cephalic version (43% and 45% respectively). This result shows a statistically significant difference between the groups. Although more studies are needed, this study suggests there may be something unique about the UB67 acupuncture point that is specifically useful in this context. The rates of cesarean section were not significantly different between the two groups in this study and the reasons for cesarean birth were not provided.

In 2017, the Royal College of Obstetricians and Gynecologists (RCOG) included moxibustion and acupuncture in their Green-top Guidelines for External Cephalic Version and Reducing the Incidence of Term Breech Presentation. 8 This document represents the first inclusion of moxibustion and acupuncture treatment in a clinical guideline by a major professional organization within the field of Obstetrics. The RCOG guidelines 8 recommend that pregnant people may wish to consider the use of moxibustion at 33-35 weeks gestation. The recommendation also emphasizes the importance of choosing a trained practitioner for individuals seeking out this type of treatment. 8

According to the 2023 Cochrane Review, 5 one hypothesized mechanism of action is that treatment at the acupuncture point UB67 may stimulate maternal hormones (placental oestrogens and prostaglandin). This hormonal change may prompt the lining of the uterus to gently contract, resulting in increased foetal activity. A 1998 study by Cardini and Weixin 9 measured foetal activity in a group receiving moxibustion treatment and a group receiving usual care. Foetal movements were counted by the pregnant participants for one hour each day for a week. An average of 48.45 movements per hour were reported in the moxibustion group versus 35.35 movements in the group receiving usual care. This result represents a statistically significant difference and indicates that an increase in foetal movement may play a role in the mechanism of UB67 to correct breech presentation. Since the exact mechanism by which moxibustion and/or acupuncture acts to correct breech position is unknown, more well-designed research is needed.

Using acupuncture and moxibustion to attempt to correct foetal position in uncomplicated pregnancies carries low risk. Serious adverse events, though not adequately reported in trials, appear to be rare. 5, 6

The 2023 Cochrane Review 5 reported the most common adverse events as the potential for burns, increased foetal movements, uterine contractions, nausea, and headaches. In many cases, adverse events were not reported by group allocation and causality was not well established, making definitive conclusions about safety difficult to determine. Moreover, current research on the safety and effectiveness of moxibustion for breech presentation has included uncomplicated pregnancies only. Therefore, providers performing these treatments must be well versed in potential risks and contraindications.

Moxibustion should be used in a well-ventilated room or outdoors due to the potential for respiratory irritation from the smoke it can produce. Additionally, the person performing the moxibustion should be attentive in order to avoid contact with skin and prevent burns.

The Maternal Acupuncture Mentoring and Peer Support (MAMPS) 12 advisory group provides a safety sheet for acupuncturists on their website that outlines a framework for safe practice by practitioners who are performing treatments for breech presentation. 13

Since treatment with acupuncture and moxibustion can be attempted several weeks prior to an ECV, it has potential to be an effective, safe, and well tolerated first-line option for breech presentation.

The authors wish to thank Debra Betts, PhD, LAc and Zena Kocher, LAc for their invaluable feedback in preparing this summary.

References:

1 . Hofmeyr, G. J., Kulier, R. & West, H. M. External cephalic version for breech presentation at term. Cochrane Database of Systematic Reviews 2019, (2015).

2 . Dekker, R. Evidence on: Breech Version. Evidence Based Birth® (2017) at https://evidencebasedbirth.com/what-is-the-evidence-for-using-an-external-cephalic- version-to-turn-a-breech-baby/

3 . Obstetric Care Consensus No. 1: Safe Prevention of the Primary Cesarean Delivery. Obstetrics & Gynecology 123, 693–711 (2014).

4 . Smith, C. A. & Betts, D. The practice of acupuncture and moxibustion to promote cephalic version for women with a breech presentation: Implications for clinical practice and research. Complementary Therapies in Medicine 22, 75–80 (2014).

5 . Coyle, M. E., Smith, C. A. & Peat, B. Cephalic version by moxibustion for breech presentation. Cochrane Database of Systematic Reviews (2023). doi:10.1002/14651858.CD003928. pub4

6 . Liao, J.-A., Shao, S.-C., Chang, C.-T., Chai, P. Y.-C., Owang, K.-L., Huang, T.-H., Yang, C.-H., Lee, T.-J. & Chen, Y.-C. Correction of Breech Presentation with Moxibustion and Acupuncture: A Systematic Review and Meta-Analysis. Healthcare 9, 619 (2021).

7 . Vas, J., Aranda-Regules, J. M., Modesto, M., Ramos-Monserrat, M., Barón, M., Aguilar, I., Benítez-Parejo, N., Ramírez-Carmona, C. & Rivas-Ruiz, F. Using Moxibustion in Primary Healthcare to Correct Non-Vertex Presentation: A Multicentre Randomised Controlled Trial. Acupunct Med 31, 31–38 (2013).

8 . External Cephalic Version and Reducing the Incidence of Term Breech Presentation: Green-top Guideline No. 20a. BJOG: Int J Obstet Gy 124, e178–e192 (2017).

9 . Cardini, F. & Weixin, H. Moxibustion for Correction of Breech Presentation: A Randomized Controlled Trial. JAMA 280, 1580 (1998).

10 . Cardini, F., Lombardo, P., Regalia, A. L., Regaldo, G., Zanini, A., Negri, M. G., Panepuccia, L. & Todros, T. A randomised controlled trial of moxibustion for breech presentation. BJOG: Int J O&G 112, 743–747 (2005).

11 . Neri, I., Airola, G., Contu, G., Allais, G., Facchinetti, F. & Benedetto, C. Acupuncture plus moxibustion to resolve breech presentation: a randomized controlled study. The Journal of Maternal-Fetal & Neonatal Medicine 15, 247–252 (2004).

12 . MAMPS. Maternity Acupuncture Mentoring & Peer Support. Maternity Acupuncture Mentoring & Peer Support at https://www.mamps.org

13 . MAMPS. MAMPS – Resources. Maternity Acupuncture Mentoring & Peer Support at https://www.mamps.org/resources

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COMMENTS

Breech Presentation
Breech presentation refers to the fetus in the longitudinal lie with the buttocks or lower extremity entering the pelvis first. The three types of breech presentation include frank breech, complete breech, and incomplete breech. In a frank breech, the fetus has flexion of both hips, and the legs are straight with the feet near the fetal face, in a pike position. The complete breech has the ...
Overview of breech presentation
Breech presentation, which occurs in approximately 3 percent of fetuses at term, describes the fetus whose presenting part is the buttocks and/or feet. Although most breech fetuses have normal anatomy, this presentation is associated with an increased risk for congenital malformations and mild deformations, torticollis, and developmental ...
Fetal Presentation, Position, and Lie (Including Breech Presentation
In breech presentation, the presenting part is a poor dilating wedge, which can cause the head to be trapped during delivery, often compressing the umbilical cord. For breech presentation, usually do cesarean delivery at 39 weeks or during labor, but external cephalic version is sometimes successful before labor, usually at 37 or 38 weeks. ...
Breech: Types, Risk Factors, Treatment, Complications
At full term, around 3%-4% of births are breech. The different types of breech presentations include: Complete: The fetus's knees are bent, and the buttocks are presenting first. Frank: The fetus's legs are stretched upward toward the head, and the buttocks are presenting first. Footling: The fetus's foot is showing first.
Breech Presentation
Breech Births. In the last weeks of pregnancy, a baby usually moves so his or her head is positioned to come out of the vagina first during birth. This is called a vertex presentation. A breech presentation occurs when the baby's buttocks, feet, or both are positioned to come out first during birth. This happens in 3-4% of full-term births.
Breech presentation management: A critical review of leading clinical
This pamphlet explains what a breech presentation is, the different types of breech presentation, discusses ECV and provides balanced information related to birth mode options along with visual representations of statistics comparing the perinatal mortality rate between cephalic vaginal birth, VBB and C/S. This pamphlet was also developed in ...
If Your Baby Is Breech
In a breech presentation, the body comes out first, leaving the baby's head to be delivered last. The baby's body may not stretch the cervix enough to allow room for the baby's head to come out easily. There is a risk that the baby's head or shoulders may become wedged against the bones of the mother's pelvis.
Management of Breech Presentation
Observational, usually retrospective, series have consistently favoured elective caesarean birth over vaginal breech delivery. A meta-analysis of 27 studies examining term breech birth, 5 which included 258 953 births between 1993 and 2014, suggested that elective caesarean section was associated with a two- to five-fold reduction in perinatal mortality when compared with vaginal breech ...
Management of Breech Presentation
Labour with a preterm breech should be managed as with a term breech. C. Where there is head entrapment, incisions in the cervix (vaginal birth) or vertical uterine D incision extension (caesarean section) may be used, with or without tocolysis. Evidence concerning the management of preterm labour with a breech presentation is lacking.
Breech Baby: Causes, Complications, Turning & Delivery
A breech baby (breech birth or breech presentation) is when a baby's feet or buttocks are positioned to come out of your vagina first. This means its head is up toward your chest and its lower body is closest to your vagina. Ideally, your baby is in a head down, or vertex presentation, at delivery. While most babies do eventually turn into this ...
Breech Presentation: Overview, Vaginal Breech Delivery ...
Overview. Breech presentation is defined as a fetus in a longitudinal lie with the buttocks or feet closest to the cervix. This occurs in 3-4% of all deliveries. The percentage of breech deliveries decreases with advancing gestational age from 22-25% of births prior to 28 weeks' gestation to 7-15% of births at 32 weeks' gestation to 3-4% of ...
Fetal Presentation, Position, and Lie (Including Breech Presentation
Presentation refers to the part of the fetus's body that leads the way out through the birth canal (called the presenting part). Usually, the head leads the way, but sometimes the buttocks (breech presentation), shoulder, or face leads the way. Position refers to whether the fetus is facing backward (occiput anterior) or forward (occiput ...
PDF NATIONAL CLINICAL GUIDELINE The Management of Breech Presentation
Breech presentation occurs frequently among preterm babies in utero, however, most babies will spontaneously revert to a cephalic presentation. As a result approximately 3% of babies are in the breech position at term (Hickok DE et al, 1992). In clinical practice this presents challenges regarding mode of delivery
Breech Presentation
Breech presentation is a type of malpresentation and occurs when the fetal head lies over the uterine fundus and fetal buttocks or feet present over the maternal pelvis (instead of cephalic/head presentation). The incidence in the United Kingdom of breech presentation is 3-4% of all fetuses. 1.
Breech Delivery
Breech delivery is the single most common abnormal presentation. The incidence is highly dependent on the gestational age. At 20 weeks, about one in four pregnancies are breech presentation. By full term, the incidence is about 4%. Other contributing factors include: Abnormal shape of the pelvis, uterus, or abdominal wall,
Fetal presentation before birth
Frank breech. When a baby's feet or buttocks are in place to come out first during birth, it's called a breech presentation. This happens in about 3% to 4% of babies close to the time of birth. The baby shown below is in a frank breech presentation. That's when the knees aren't bent, and the feet are close to the baby's head.
Breech presentation: diagnosis and management
Breech and external cephalic version. Breech presentation is when the fetus is lying longitudinally and its buttocks, foot or feet are presenting instead of its head. Figure 1. Breech presentations. Breech presentation occurs in three to four per cent of term deliveries and is more common in nulliparous women.
PDF Management of breech presentation
The most widely quoted study regarding the management of breech presentation at term is the 'Term Breech Trial'. Published in 2000, this large, international multicenter randomised clinical trial compared a policy of planned vaginal delivery with planned caesarean section for selected breech presentations.
6.1 Breech presentation
In a frank breech presentation, the legs are extended, raised in front of the torso, with the feet near the head (Figure 6.1b). In a footling breech presentation (rare), one or both feet present first, with the buttocks higher up and the lower limbs extended or half-bent (Figure 6.1c). Figures 6.1 - Breech presentations.
Breech baby at the end of pregnancy
Babies lying bottom first or feet first in the uterus (womb) instead of in the usual head-first position are called breech babies. Breech is very common in early pregnancy, and by 36-37 weeks of pregnancy, most babies turn naturally into the head-first position. Towards the end of pregnancy, only 3-4 in every 100 (3-4%) babies are in the breech ...
Acupuncture & Moxibustion for Breech Presentation
Breech (feet first) presentation of the foetus in the last month of pregnancy occurs in 3-4% of all pregnancies.1 In the United States, 90% of all breech babies are born via cesarean section,2 a major surgical procedure that carries risk but also impacts maternal outcomes, postpartum recovery, and adds to costs in the healthcare system.3 Access to a variety of corrective options that may ...