患者女,25岁。因停经39周,阴道流液2h于2007年7月16日就医。平素月经规则,停经40d左右出现恶心、欲吐,自测尿人绒毛膜促性腺激素(HCG)阳性。孕4月余胎动至今,孕中、晚期定期产前检查无阴道流血及特殊不适。妊娠8月余双下肢出现浮肿,休息后减轻,无明显头痛、头晕及视 Female patient, 25 years old. 39 days due to menopause, vagina fluid 2h on July 16, 2007 for medical treatment. Normal menstrual rules, menopause occurs about 40d nausea, vomiting, self urine urine human chorionic gonadotropin (HCG) positive. Pregnancy in April more than fetal movement so far, pregnant, late regular prenatal examination without vaginal bleeding and special discomfort. More than eight months of pregnancy, both lower extremities edema, rest after the relief, no obvious headache, dizziness and visual