过期妊娠由于胎盘“老化”,功能不全,易引起胎儿宫内窘迫,甚至死亡。本文介绍40～42孕周孕妇在门诊进行系统监护及住院后积极、慎重的处理方案。结果表明效果良好,无围产儿死亡。过期妊娠剖宫产率偏高,宫内窘迫、头盆不称、引产失败是其主要适应证。提高促宫颈成熟方法的效果及引产成功率是今后努力的方向。 Expired pregnancy because of the placenta “aging”, insufficiency, can cause fetal distress, and even death. This article describes the pregnant women 40 to 42 gestational weeks in the outpatient system for monitoring and hospitalized after a positive and cautious approach. The results showed good results, no perinatal deaths. Cesarean section rate of overdue pregnancy high, intrauterine distress, cephalopelvic disproportion, induction of labor is the main indications. To improve the effect of cervical ripening and induction of labor success rate is the direction of future efforts.