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肩难产是罕见的具有较高病率的分娩并发症。推测其发生率仅为0.15～0.3%,但其并发症率却高达16～48%。常见的肩难产危险因素为巨大儿(出生体重>4,000g)以及多产、过期产、以往有巨大儿史与肥胖的产妇;糖尿病患者因胎儿过大及构型改变而有双倍的肩难产危险性;第二产程延长与中位产钳、产程延长与停滞也是肩难产的危险因素。作者将不仅需要向下牵引和侧切而且需要一定操作手法娩出胎肩的分娩称为真正肩难产,作为第一组,共24例;未行手法处理只作牵出的分娩作为第二组,共67例。对两组进行回顾性对比分析,发现两组的婴儿平均出生体重及巨大儿百分率并无显
Shoulder dystocia is a rare complication of childbirth with higher morbidity. Presumably its incidence is only 0.15 ~ 0.3%, but its complication rate is as high as 16 ~ 48%. Common risk factors for shoulder dystocia are macrosomia (birth weight> 4,000 g) and prolonged and overdue maternal history of maternal history and obesity; patients with diabetics who have double-sided shoulder dystocia due to overgrowth and conformational changes Risk; extension of the second stage of labor and the midline forceps, prolongation and stagnation of labor is also a risk factor for shoulder dystocia. The author will not only need to be downward traction and lateral incision but also require a certain operation of the childbirth of the shoulder birth is called real shoulder dystocia, as the first group, a total of 24 cases; unmanned treatment only pull-out delivery as a second group 67 cases. The two groups were retrospectively analyzed and found that the average birth weight and macrosomia in both groups were not significant