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Updated: Aug 21, 2025

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External Cephalic Version: Is it an Effective and Safe Procedure?
Published on: June 6, 2020
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External cephalic version for a malpresenting first twin before labor: a prospective case series.
Laura Felder1, Rebekah McCurdy1, Vincenzo Berghella1
1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA.
AJOG Global Reports
|November 17, 2022
Summary
External cephalic version (ECV) for malpresenting twin pregnancies is feasible. Successful ECV allowed for vaginal delivery in some cases, with no reported maternal or neonatal complications in this small study.
Area of Science:
- Maternal-Fetal Medicine
- Obstetrics
- Perinatal Research
Background:
- Cesarean delivery is standard for twin pregnancies with a non-cephalic presenting twin.
- External cephalic version (ECV) is established for malpresenting singleton pregnancies but is poorly studied in twins.
- Limited data exists on the safety and efficacy of ECV in twin gestations.
Purpose of the Study:
- To evaluate the feasibility of performing external cephalic version (ECV) on a malpresenting first twin before labor.
- To document any complications associated with ECV in twin pregnancies.
- To assess secondary outcomes including delivery characteristics and neonatal well-being.
Main Methods:
- Prospective cohort study of twin pregnancies with a malpresenting first twin.
- ECV performed following institutional singleton protocols; fetal testing before and after.
- Inclusion criteria: English/Spanish speaking; Exclusions: contraindications to vaginal delivery.
Main Results:
- Four out of five patients (80%) successfully underwent ECV.
- Vaginal delivery occurred in 2 of the 4 patients with successful ECV.
- No maternal or neonatal complications were observed in any participants.
Conclusions:
- External cephalic version (ECV) appears feasible for twin pregnancies with a malpresenting first twin.
- The procedure was associated with no complications in this cohort.
- Further research is required to fully characterize the safety and efficacy of ECV in this population.

