剖宫产术是一种解决难产的产科常用手术之一,近年来由于剖宫产术的有关手术条件(术前诊断、麻醉危险性的减少,手术技术的提高,输血及抗感染药物的应用等)的改善以及提倡计划生育,剖宫产术的应用率不断增加,此种手术的增加尚属适当,因其对母体由于难产经阴道分娩所引起的损伤可相对的减少, Cesarean section is one of the common obstetric gynecological surgery to solve the problem of dystocia. In recent years, due to the caesarean section related to surgical conditions (preoperative diagnosis, reduction of anesthesia risk, surgical techniques, blood transfusions and anti-infectives Etc.) and to promote family planning, cesarean section application rate continues to increase, the increase of such surgery is appropriate because of its parent due to dystocia caused by vaginal delivery of injury can be relatively reduced,