患者,28岁,孕1产0,孕41周腹阵痛9小时,阴道流水4小时入院。37孕周起患者下肢浮肿、头晕。患者16岁起自觉烦渴、多饮、多尿,每小时需喝500ml 水,平均每小时小便1次,曾诊治未愈,确诊为尿崩症。无颅脑损伤及手术史。月经周期规律。体检:Bp142/110,下肢水肿 Patient, 28 years old, pregnant 1 producing 0, pregnant 41 weeks abdomen pain 9 hours, vaginal water 4 hours admission. Patients with gestational age 37 lower limb edema, dizziness. Patients from the age of 16 consciously polydipsia, polydipsia, polyuria, drink 500ml water per hour, an average of 1 per hour urination, had diagnosis and treatment of diabetes insipidus. No head injury and surgery history. Menstrual cycle rules. Physical examination: Bp142 / 110, lower extremity edema