Of the 91,208 primiparous women in the Consortium on
Safe Labor database, 69,485 were at term with a singleton gestation in cephalic presentation; 17,531 of these women underwent a primary cesarean delivery, yielding a primary cesarean delivery rate of 25.2 %.
Among the 91,208 primiparous women in the Consortium on
Safe Labor database, 28,116 had a cesarean delivery and 63,092 had a vaginal delivery; thus, the primary cesarean delivery rate for primiparous women was 30.8 % (28,116 out of 91,208).