产科临床常见的臀位,是胎位不正难产之一。其发生率约为总分娩数的3-4％(1)。但因其对母体影响不大,故对臀位的重视,远不及横位的肩先露。可是臀位分娩对胎儿的危害还是大的,根据不同的作者报导,胎儿死亡率国外初产妇约为3％,而在经产妇约为6％(3)。而国内适相反,初产妇为6.9％,经产妇为5.8％。(4)近年来,由于重视围产期 Obstetric clinical common breech, fetal position is one of the hard birth. The incidence is about 3-4% of total deliveries (1). But because of its little impact on the mother, so the emphasis on the breech, far less than the horizontal shoulder Shoulian. However, breech delivery is still damaging to the fetus. According to different authors, the rate of fetal death is about 3% of foreign primipara and about 6% of the mothers (3). On the contrary in China, the number of primipara was 6.9% and that of mothers was 5.8%. (4) In recent years, due to emphasis on perinatal period