头位难产约占产科难产总数的 2 / 3以上 ,其中持续性枕横位 (POT)是最常见的头位难产。虽然程度较轻 ,但剖宫产率很高 ,处理不当可危及母婴安全。及时诊断、处理 POT是降低产时并发症 ,减少剖宫产率 ,改善母婴预后的关键。1997年 1月～ 1998年 6月 ,在我院分娩的产妇 2 5 94例 Head dystocia accounted for more than 2/3 of the total number of obstetric dystocia, of which the continuous occipital position (POT) is the most common head dystocia. Although to a lesser extent, cesarean section rate is high, improper handling can endanger mother and child safety. Timely diagnosis and treatment of POT is the key to reduce the complications of labor, reduce the rate of cesarean section and improve the prognosis of maternal and infant. From January 1997 to June 1998, 2594 mothers gave birth in our hospital