Fetal heart rate changes following external cephalic version under tocolysis near term.
Fifty eight gravidas near-term underwent external cephalic version using tocolytic treatment and continuous fetal monitoring by cardiotocograph and real-time ultrasound. No unfavorable maternal or fetal effects were recorded. Fetal heart rates showed a significant decline at 10 and 30 min after the procedure with complete recovery at 1 h after external version, but no pathologic tracing was recorded. No uniform heart rate patterns due to external cephalic version could be found.
D001946:Breech Presentation; D036861:Delivery, Obstetric; D005260:Female; D005323:Fetal Monitoring; D006340:Heart Rate, Fetal; D006801:Humans; D007752:Obstetric Labor, Premature / Q000517:prevention & control*; D011247:Pregnancy; D014710:Version, Fetal