患者30岁，孕3产0，孕27周，因头痛，头晕近1个月于1995年2月13日入院。平素月经规律，末次月经1994年8月7日。本次妊娠早、中期均顺利，孕24周开始头痛、头晕，双下肢浮肿。妊娠图显示宫高曲线明显低于正常值。患者既往体健，无高血压病史。入院查体：体温366C呼吸16次／分血 The patient was 30 years old, had 3 pregnancies and 0 pregnancies, and 27 weeks pregnant. He was drowned for nearly 1 month on February 13, 1995 due to a headache. Regular menstruation, the last menstrual August 7, 1994. The pregnancy early, mid-term are smooth, 24 weeks pregnant began headache, dizziness, lower extremity edema. Pregnancy showed that the curve of the palace height was significantly lower than normal. Past patient’s health, no history of hypertension. Admission examination: body temperature 366C breathing 16 times / blood