分娩是人类繁衍生息必然的生理过程 ,产妇和胎儿都具有潜力能主动参与并完成分娩过程 ,而且绝大多数都是以自然分娩而告终。剖宫产只是解决难产和重症高危妊娠、高危胎儿需要终止妊娠时最快捷有效的办法。随着剖宫产技术的改进 ,以及麻醉、输血技术的进步和抗生素的不断发展 , Childbirth is the inevitable physiological process of human reproduction, both pregnant women and fetus have the potential to take the initiative to participate in and complete the delivery process, and the vast majority of the end of the natural childbirth. Cesarean section is only the most effective and effective way to solve the problems of difficult-to-deliver and severe high-risk pregnancy and high-risk fetus to terminate pregnancy. With the improvement of cesarean section technology, as well as the progress of anesthesia and blood transfusion and the continuous development of antibiotics,