近年来,巨大儿的发生率不断升高,但产前诊断巨大儿有一定难度,许多产前预测胎儿体重的方法预测的胎儿体重与新生儿实际体重有较大误差,部分巨大儿产前未能正确诊断,分娩过程中肩难产发生率相应增加,若未能正确处理,可引起新生儿臂丛神经损伤,锁骨骨折、窒息、而神经麻痹,产妇重度会阴裂伤等,直接关系到新生儿,产妇的安危。我院自1996年6月以来分别以前肩娩出法后肩娩出法及旋转娩出法处理肩 In recent years, the incidence of giant children continue to rise, but prenatal diagnosis of giant children have a certain degree of difficulty, many prenatal fetal body weight prediction method of fetal weight and the actual weight of newborns have a greater error, some of the giant prenatal Can correctly diagnose, shoulder birth during labor a corresponding increase in the incidence of dystocia, if not properly handled, can cause neonatal brachial plexus injury, clavicular fracture, asphyxia, and nerve paralysis, maternal severe perineal laceration, is directly related to newborns Maternal safety. Our hospital since June 1996, respectively, after the shoulder delivery method of shoulder delivery and rotary delivery method to deal with shoulder