先兆流产主要表现为停经后出现少量阴道出血,常比月经量少.根据流血量及积聚在阴道内时间的不同,可为鲜红色,粉红色或深褐色,早孕反应仍存在,有时伴有轻微下腹痛,腰痛及下坠感。妇科检查时子宫颈口未开,妊娠试验阳性。我科自1990年一1992年共收治先 Threatened abortion is mainly manifested as a small amount of vaginal bleeding after menopause, often less than the amount of menstruation.According to the amount of bleeding and the accumulation of time in the vagina may be bright red, pink or dark brown, early pregnancy reaction still exists, sometimes accompanied by mild Lower abdominal pain, back pain and falling flu. Gynecological examination is not open cervix, pregnancy test positive. Our department from 1990 to 1992 received a total of first