Overview
ECV is when a doctor gently turns the baby from outside the belly, usually around 37 weeks. It works about half the time.
Most breech babies in the U.S. are born by C-section; some hospitals offer vaginal breech birth.
Symptoms
Common signs:
- Baby not head-down late in pregnancy
Look up a symptom: Pregnant or recently gave birth
When to get medical care
Call 911Heavy bleeding, severe belly pain, a seizure, or fluid that's green or brown with fewer baby movements: call 911 or go to labor and delivery.
Get care todayYour water breaks or labor starts with a breech baby.
See a doctor soonBreech at your 36-week visit.
Causes
Often no clear cause.
Does it spread or run in families?
- It isn't contagious. You can't catch it from someone else.
Who is more likely to get it
- Twins
- Too much or too little fluid
- Uterus shape
Diagnosis
Your care team checks the baby's position.
The exam
Feeling the belly.
Tests
Tests, if needed:
- Ultrasound: Confirms position.
Treatment
Plan with your team.
Self-care
- Ask whether ECV is an option for you
- Know the plan if labor starts early
Prevention
It can't be prevented.
Which doctor treats this
- Start with your child's pediatrician.
For caregivers
- Learn the warning signs and when to call the doctor or 911.
- Keep a list of your child's medicines, doses, and doctors on your phone.
- Tell teachers, coaches, and sitters what to watch for and what to do.
- Take breaks and ask for help. Caregivers need care too.
Outlook
Safe birth options exist.
Getting ready for your visit
Bring a list of your symptoms and medicines.
Questions to ask
- Can we try turning the baby?
Research studies
Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.
Search ClinicalTrials.gov for studies on Breech baby (baby not head-down)
Sources
Last updated 2026-11-12.