过期妊娠并发羊水过少是造成围产儿死亡的重要因素之一。本文对我院2年来收治的23例过期妊娠合并羊水过少加以分析,以探讨其对围产儿的影响。 1 临床资料 1.1 发生率 本院1993年1月～1994年12月间共收治过期妊娠76例,并发羊水过少23例,占30.6％。孕周42～43周20例,43～44周3例,初产妇16例,经产妇7例,均为单胎,新生儿体重2400g～4300g。 1.2 过期妊娠诊断以未次月经第1天算起≥42周 Excess amniotic fluid with obstructive pregnancy is one of the important causes of perinatal death. In this paper, our hospital for 2 years admitted to the 23 cases of unexplained pregnancy combined with oligohydramnios to analyze its impact on perinatal children. 1 clinical data 1.1 incidence of hospital from January 1993 to December 1994 were treated 76 cases of expired pregnancy, complicated by oligohydramnios 23 cases, accounting for 30.6%. Pregnancy 42 ~ 43 weeks in 20 cases, 43 ~ 44 weeks in 3 cases, 16 cases of primipara, maternal 7 cases, all singleton, neonatal body weight 2400g ~ 4300g. 1.2 outdated pregnancy diagnosis not less than the first day of menstruation ≥ 42 weeks