臀先露是最常见的一种异常胎先露 ,它的围产儿死亡率运转头位为高。例如臀先露的脐带脱垂、后出头困难所导致的新生儿窒息和产伤等都是使围产儿死亡率增高的原因。臀先露分娩对母儿均有不良影响 ,其对胎儿的危险尤为突出。常见的并发症均能导致围产儿死亡率增加 ,因此 ,是否能 Breech is the most common abnormal fetal exposure, and its perinatal mortality rate is high. For example, the prolapse of umbilical cord prolapse, after the first difficulties caused by neonatal asphyxia and birth trauma are perinatal causes of increased mortality. Buttocks exposed childbirth on both mother and child have a negative impact on their risk to the fetus is particularly prominent. Common complications can lead to increased perinatal mortality, therefore, whether it can