头位难产为发生于头先露的难产 ,包括头盆不称及各种胎头位置异常。头位难产在产前即能明确诊断者仅占小部分 ,绝大部分是在产程发生延缓或停滞时引起注意。因此 ,严密观察产程 ,及时发现异常 ,仔细查明原因 ,选择恰当的分娩方式 ,是处理时的关键。本文就我院 4年来头位难产 3 The first bit of dystocia occurred in the first druse, including the first basin is not known and a variety of fetal head position abnormalities. The first bit of labor in the prenatal diagnosis that can be diagnosed only a small part of the vast majority of labor delay or stagnation caused attention. Therefore, close observation of labor process, timely detection of abnormalities, carefully identify the reasons for choosing the appropriate mode of delivery, is the key to handling. This article on the hospital for the first 4 years of difficulty in labor 3