1病例介绍患者崔某，28岁，1999年3月27日因“停经41W”‘、下腹部坠痛一天”而人院。该患平素月经规律，末次月经1998年6月12日，预产期1999年3月19日。妊娠早期有恶心、呕吐等早孕反应，妊娠中期顺利，二个月前出现全身水肿，近十日出现呼吸困难、咳嗽、咳粉红色泡沫痰，昨日 1 Case Description Patient Cui, 28 years old, March 27, 1999 because of “menopause 41W” ’, the lower abdomen pain day "and the hospital. The plain rule of menstruation, the last menstrual June 12, 1998, expected date of birth March 19, early pregnancy have nausea, vomiting and other early pregnancy reaction, the second trimester of pregnancy, systemic edema appeared two months ago, nearly ten days of breathing difficulties, cough, cough, pink foam sputum, yesterday