Most previous studies of intrapartum interventions have focused on active labor, showing little effect on cesarean delivery rates. 大多数先前的分娩期介入研究已经关注主动分娩，显示在剖宫产率上影响很少。
Conclusion Epidural anesthesia procedure can increase the spontaneous delivery rate, reduce the cesarean rate, release the pain in delivery, and improve the perinatal life quality. 结论实施镇痛分娩提高了自然分娩率，降低了剖宫产率，并缓解了分娩疼痛，提高了产妇围产期的生活质量。
