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Related Experiment Videos

Preterm external cephalic version in an outpatient environment

M T Kornman1, K T Kimball, K O Reeves

  • 1Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas, USA.

American Journal of Obstetrics and Gynecology
|June 1, 1995
PubMed
Summary
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Performing external cephalic version (ECV) before 37 weeks

Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine

Background:

  • External cephalic version (ECV) is a procedure to externally manipulate a fetus from a non-vertex to a vertex presentation.
  • Breech presentation at term is associated with increased risks of adverse perinatal outcomes.
  • The optimal timing for performing ECV remains a subject of ongoing research and clinical debate.

Purpose of the Study:

  • To evaluate the safety and efficacy of external cephalic version (ECV) performed before 37 weeks' gestation.
  • To determine if early ECV can reduce the rate of cesarean deliveries for non-vertex presentations.

Main Methods:

  • Retrospective review of 114 pregnancies involving 110 women.
  • Analysis of 133 external cephalic version (ECV) attempts.
  • Gestational ages ranged from 30 to 41 weeks at the time of ECV attempts.

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Main Results:

  • External cephalic version (ECV) success rates were 79% before 37 weeks and 53% at or after 37 weeks.
  • ECV performed before 37 weeks was 27 times more likely to be successful, adjusted for parity and BMI.
  • Ninety-nine percent of successful ECV cases resulted in vertex presentation at delivery, with only 16% requiring cesarean delivery.

Conclusions:

  • External cephalic version (ECV) is a safe and effective procedure when performed before 37 weeks' gestation.
  • Early ECV significantly reduces the cesarean section rate for non-vertex presentations.
  • Performing ECV before term mitigates the risks associated with breech delivery.