spontaneous delivery

• 自动分娩； 自然分娩

spontaneous delivery的用法和样例：

例句

1. 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。