患者38岁,因宫内孕第2胎39周末临产,于1997年10月7日收住院。末次月经1997年1月4日,预产期1997年10月14日,孕期平顺。无高血压、浮肿及阴道出血史,产前未行定期检查。患者孕4产1,10年前孕足月顺产一女婴,体重4 300g。人流 2次,末次是在1992年。查体:指肛检查宫颈近消失、宫口开 Patient 38 years old, due to intrauterine pregnancy at the end of the first trimester of 39 weeks of labor, on October 7, 1997 admitted to hospital. The last menstrual January 4, 1997, the expected date of October 14, 1997, pregnant smooth. No high blood pressure, edema and vaginal bleeding history, prenatal no regular examination. Pregnancy 4 patients 1, 10 years before pregnancy, full-term pregnancy, a baby girl, weighing 4 300g. The flow of people 2 times, the last is in 1992. Physical examination: refers to the anal nearly disappeared cervix, cervix open