由于剖腹产率的升高,围产期护理和产前监护的改善,使臀位分娩的胎儿围产死亡率明显降低.然而对臀位常行剖腹产分娩终非万全之计.臀位胎儿发病和死亡的主要原因是:机械性损伤,如未变形的后出胎头受阻,牵拉儿臀操作及肩部娩出时机械性损伤,或由于脐带受压而缺氧及早产.据统计的88‰的臀 Due to the increased caesarean section rate, perinatal care and the improvement of antenatal care, the breech fetal perinatal mortality was significantly reduced. However, the breech cesarean section delivery routine is not perfect. Of the main reasons are: mechanical damage, such as deformation of the fetal head after obstruction, pulling the buttocks operation and mechanical injury when the shoulder is delivered, or because of umbilical cord compression and hypoxia and premature birth.According to the statistics of 88 ‰ Buttocks