臀位是常见的异常分娩之一,约占分娩总数的5.35%。由于臀位易发生产道损伤、感染、宫缩乏力、胎膜早破、脐带脱垂、胎儿窘迫、新生儿窒息和产伤等并发症,对母婴威胁较大,尤以初产妇臀位为甚。近年来围产医学及优生学的发展,以及我国提倡一胎化,故对于臀位产进行研究的重要性就显得更加重要。众所周知,臀位已是剖宫产的一个重要指征。Bemson 等将剖宫产率提高到21.6%,获得了初产臀位儿的纠正死亡率 Breech is one of the common abnormal delivery, accounting for 5.35% of the total number of deliveries. As the breech prone birth canal injury, infection, uterine inertia, premature rupture of membranes, umbilical cord prolapse, fetal distress, neonatal asphyxia and birth trauma and other complications, a greater threat to mothers and children, especially the first breech Very In recent years, the development of perinatal medicine and eugenics as well as the promotion of one child in our country have made it more and more important for the study of breech production. As we all know, breech is an important indication of cesarean section. Bemson et al increased the cesarean section rate to 21.6% and obtained a corrected mortality rate for firstborn breech children