张××,27岁,孕_1产_0,预产期1981年4月24日。患者于孕31周开始恶心,无呕吐,胃纳差;测血压140/100,血色素7.6克,尿蛋白(+～++),经治疗无好转。孕35周时无诱因地频繁呕吐,进食及喝水均吐,无腹胀,查尿三胆皆阴性,尿蛋白(+)。因孕37周阵发性腹坠2小时,见红,未破膜,于4月6日晨急症入院。患者以往体健,无肝炎接触 Zhang × ×, 27 years old, pregnancy _1 _0 production, expected date of April 24, 1981. Patients in the first 31 weeks of pregnancy nausea, vomiting, poor appetite; measured blood pressure 140/100, hemoglobin 7.6 grams, urine protein (+ ~ + +), after treatment without improvement. 35 weeks of pregnancy, frequent vomiting without incentive, eating and drinking are vomiting, no bloating, check the urinary bladder are negative, urinary protein (+). 37 weeks pregnant due to paroxysmal abdominal fall 2 hours, see the red, unruptured, in the morning of April 6 emergency admission. In the past, patients with healthy, no hepatitis exposure