一般孕期超过42周尚未分娩者称为过期妊娠,对母婴均有一定影响,但在诊断时要注意平时月经是否规律,胎儿大小,胎动时间及早期检查时的子宫大小等,作出较准确的预产期推算。我院1978～1986年6月共有过期妊娠337例,分析如下。 General pregnancy more than 42 weeks have not been delivered as expired pregnancy, both have a certain impact on mother and child, but in the diagnosis should pay attention to the usual menstrual regularity, fetal size, fetal movement time and early examination of the uterus size, to make more accurate Probationary estimate. Our hospital from 1978 to June 1986 a total of 337 cases of obstetric pregnancy, analysis is as follows.