近二三十年来世界各国的剖宫产率正发生着明显的变化,而中国的剖宫产率已超过其他国家,且呈逐年上升趋势。虽然剖宫产对早产儿及难产儿的生存率有所改善,但是仍有相当部分的新生儿因剖宫 Cesarean section rates in various countries in the world have undergone significant changes in recent two or three decades. However, the rate of cesarean section in China has surpassed that of other countries and the rate of cesarean section has been increasing year by year. Although cesarean section on the survival rate of premature children and dystocia improved, but there are still a considerable number of newborns due to cesarean section