Major Finding: Women randomized to early or late external cephalic version
had nonsignificant differences in cesarean section rate (52% vs.
The success rate of external cephalic version
was 43% in the CSE group and 33% in the systemic analgesia group.
Emmanuel Bujold, a coordinator of a prospective observational study of external cephalic version
(ECV) at Sainte-Justine Hospital at the University of Montreal.
The finding, from a prospective study of more than 1,300 women, suggests that a trial of external cephalic version
(ECV) before 36 weeks' gestation may not be optimal, said Dr.
UCSF policy is to offer two attempts at external cephalic version
to women with singletons in breech presentation with an estimated fetal weight of 3,850 g or less on ultrasound, excluding women with major fetal anomalies, intrauterine fetal demise, or preexisting maternal morbidity.
SAN FRANCISCO -- A higher amniotic fluid index was associated with a greater rate of successful external cephalic version
of a breech fetus in a prospective, observational study of 1,361 patients.
Yet in one prospective study, nine external cephalic versions
were successful in a group of 31 women receiving nitroglycerin.