患女,31岁,因停经42周,腹下坠1d 之主诉于1992年11月9日以4胎3产,过期妊娠之诊断收入院.自述前3胎胎儿均较大,产程进展均缓慢顺产.平时月经规律.此次妊娠停经50d 开始出现恶心、呕吐、等早孕反应,孕期无出血史,妊娠后期无头晕、眼花、下肢浮肿等症状。入院查体:心肺无异常,P82次/min,BP16/10kPa,宫底剑下二横指,胎位右枕前位,胎心140次/min,因无明显宫缩未做肛查,也未做B超检查.入院当天晚上12时有规律宫缩,胎膜已破,宫口开大二横指,5h 后宫口开全,宫缩紧,但先露在棘上1cm,腹部高度膨隆,估计胎儿在 A 31-year-old woman with a history of menopause of 42 weeks and a 1d belly drop complained of her mother’s 3-year-old fetus with 3 births on November 9, 1992. The first 3 fetuses were larger and their labor progressed slowly and smoothly Usually menstrual 50d began nausea, vomiting, and other early pregnancy reactions, no history of bleeding during pregnancy, no dizziness, dizziness, lower extremity edema and other symptoms during late pregnancy. Admission examination: cardiopulmonary no abnormalities, P82 times / min, BP16 / 10kPa, the palace under the sword two horizontal fingers, fetal right anterior occipital, fetal heart rate 140 beats / min, because no obvious contractions did not anal examination, nor Do B-ultrasound admission at 12 o’clock that night with regular contractions, fetal membranes have been broken, cervix open sophomore cross-means, 5h after the cervix open, contractions tight, but first exposed in the spine 1cm, abdomen bulge, Estimated fetal presence