spontaneous labor的用法和樣例：
例句
- Is Caesarean birth still natural labor very good?
剖腹產好還是順產好？ - 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.
結論實施鎮痛分娩提高了自然分娩率，降低了剖宮產率，並緩解了分娩疼痛，提高了產婦圍產期的生活質量。
