Predictors of a successful external cephalic version: A population-based study of Washington state births

Breech presentation affects approximately 3% of women with singleton pregnancies. External cephalic version is a manual procedure that reorients a foetus to cephalic position in preparation for birth, reducing indications for caesarean birth. However, unsuccessful attempts are associated with some adverse health outcomes. Versions are successful in 17–86% of attempts. Temporal trends in version success and association between maternal height or...