- Failed induction after 24 hours will indicate lower segment cesarean section. Failed induction will be defined as an inability to achieve the active phase of labor corresponding to a cervical dilatation ≥4 cm within 12 hours of initiating oxytocin. Failure of progress was defined as no cervical dilatation during the active phase of labor for at least 2 hours or no descent of the fetal head during the second stage of labor for at least 1 hour despite adequate uterine contraction. This will be considered an indication for cesarean delivery.