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1临床资料病例1:患者,23岁,G3P0,38+6周孕临产,因“阴道见红伴下腹痛1小时”于2007年8月12日入院。孕期建卡及常规产前检查无异常。入院产科检查:宫高34cm,腹围92cm,胎位枕左前位(left occipitoanterior,LOA),胎心音142次/min,抬头入盆,骨盆外测量正常。肛门检查:宫颈管消失,宫口开大1+cm,先露-1。内骨盆无异常。B超:胎儿双顶间径为9.0cm,股骨长度为7.2cm,胎盘位于子宫后壁,成熟度II级;羊水深度为4.2cm,羊水指数为13.2cm。可行阴道分娩。于当日14:20开始出现规律宫缩,15:50自然破膜,羊水清亮,胎心132
1 clinical data Case 1: patients, 23 years old, G3P0, 38 +6 weeks pregnant labor, because “vaginal see red with abdominal pain 1 hour ” was admitted on August 12, 2007. Card during pregnancy and routine prenatal examination no abnormalities. Admission obstetric examination: Palace height 34cm, abdominal circumference 92cm, fetal occipital anterior left (left occipitoanterior, LOA), fetal heart sound 142 beats / min, looked up into the basin, the pelvis measured normal. Anal examination: disappearance of cervical canal, cervix open large 1 + cm, first exposed -1. No abnormalities in the pelvis. B ultrasound: fetus biparietal diameter of 9.0cm, femur length of 7.2cm, the placenta is located in the posterior wall of the uterus, maturity level II; amniotic fluid depth of 4.2cm, amniotic fluid index of 13.2cm. Viable vaginal delivery. 14:20 on the same day began to appear regular contractions, 15:50 natural rupture of membranes, clear amniotic fluid, fetal heart 132