胎方位异常是造成难产的原因之一，其发生率高，近年来处上升趋势，处理不当常导致剖宫产率升高，而降低阴道性难产率和剖宫产率，则是提高阴道助产分娩质量的重要问题。我们对９０例正式临产，胎方位为枕后位、枕横位的产妇进行了前瞻性观察，产程中根据胎方位分别指导产... Abnormal fetal position is one of the causes of dystocia, its incidence is high, at an upward trend in recent years, improper handling often leads to increased cesarean section rate, while reducing vaginal dystocia rate and cesarean section rate, it is to improve the vaginal assist An important issue of the quality of childbirth. We have 90 cases of formal labor, fetal position for the occiput posterior position, occipital transverse position of the mothers were prospectively observed, according to fetal position during labor to guide the production ...