过期妊娠是产科的常见病理妊娠之一,其对母婴的不良影响早已被公认。为此,过期妊娠已成为现代产科的重要课题。现将我院3年来100例过期妊娠分析如下。 1 临床资料 1.1 发生率:我院自1996年1月～1998年12月分娩总数1840例,其中≥42周的过期妊娠100例,发生率为5.4％,国内报道平均发病率8.5％～8.9％。 1.2 过期妊娠组:1840例产妇中过期妊娠100例,年龄最小20岁,最大36岁,平均年龄26岁,孕 Outdated pregnancy is one of the common pathological pregnancy obstetrics, its adverse effects on mother and child has long been recognized. To this end, overdue pregnancy has become an important issue of modern obstetrics. Now three years in our hospital 100 cases of expired pregnancy analysis is as follows. 1 Clinical data 1.1 incidence: our hospital from January 1996 to December 1998 a total of 1840 cases of childbirth, of which ≥ 42 weeks out of 100 cases of pregnancy, the incidence was 5.4%, the average reported incidence of 8.5% to 8.9% . 1.2 groups of overdue pregnancy: 1840 cases of maternal overdue pregnancy in 100 cases, the youngest 20 years old, maximum 36 years old, average age 26 years old, pregnant