对不满42周的过期妊娠，虽未被列入高危妊娠范围，但其仍具有一定的高危因素．故应给予足够的重视，我科自1906年11月～1997年3月，对30例过期妊娠采用催产素引产并实行无痛分娩，进行了临床分析，现报道如下。1资料与方法1．1对象：选自1996年11月～1997年3月，在我科住院待产 Expired 42 weeks of pregnancy, although not included in the scope of high-risk pregnancy, but it still has some high-risk factors. Therefore, it should be given sufficient attention, our department from November 1906 to March 1997, 30 cases of overdue pregnancy oxytocin induced labor and the implementation of painless delivery, the clinical analysis, are reported below. 1 Materials and Methods 1.1 Object: From November 1996 to March 1997, in our hospital to be in production