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患者女,27岁,因第二胎慢性羊水过多入院。患者从中期妊娠开始按期行产前检查,孕7个月体检时,胎心、胎位、血压均正常,宫高、腹围较妊娠月份偏大,B 超检查提示羊水过多,胎儿发育正常,双顶径8.0cm。妊娠至39周,患者突感胎动消失,胎心音轻弱,即行术前B 超及剖宫产。B 超所见:胎儿发育正常,纵产式,在胎儿一侧羊膜囊内见胎盘组织部分游离于羊水暗区中,部分附着于宫底前壁,将羊膜腔一分为二。游离部分胎盘组织的一面,可见一增强的膜状光带。在胎盘附着的分膈光带的一侧为纯液性暗区,另一侧为胎儿声影。两
Female patient, 27 years old, because of the second child with chronic amniotic fluid admission too much. Patients from the first trimester of pregnancy started prenatal examination, physical examination at 7 months of pregnancy, fetal heart rate, fetal position, blood pressure were normal, uterine height, abdominal circumference is larger than the month of pregnancy, B-ultrasound showed excessive amniotic fluid, fetal development is normal, Biparietal diameter 8.0cm. Pregnancy to 39 weeks, the patient suddenly felt fetal movement disappeared, fetal heart sound is weak, that is, preoperative B-and cesarean section. B seen: Fetal development normal, longitudinal type, in the fetal side of the amniotic sac see part of the placenta in the dark area of amniotic fluid, partially attached to the anterior wall of the uterus, the amniotic cavity is divided into two. Part of the free placenta tissue, showing an enhanced film-like light band. In the placenta attached to the sub-diaphragmatic zone of pure liquid dark area, the other side of the fetal sound shadow. Two