Complete placenta previa

Previous transfundal uterine surgery

Transverse fetal lie

Umbilical cord prolapse

Vasa previa

Abnormal fetal heart rate patterns not requiring emergent delivery

Breech presentation

Maternal heart disease or severe hypertension

Multifetal pregnancy

Polyhydramnios

Presenting part above the pelvic inlet

One or more previous low-transverse cesarean deliveries