孕妇时某,32岁。住院号:2411。1胎0产、妊414/7周。因阴道流血二小时,伴不规律宫缩半小时,于1990年6月30日急诊入院。该产妇平素月经规律,末次月经1989年9月3日。停经50天时出现轻度妊娠反应。妊19周自觉有胎动,活跃至今。6月26日无诱因阴道流血200毫升左右,不伴腹痛,在当地市医院检查未见异常情况,B超探查胎盘位于右侧 When pregnant women, 32 years old. Admission number: 2411.1 0 births, pregnancy 414/7 weeks. Due to vaginal bleeding for two hours, with irregular contractions half an hour, in June 30, 1990 emergency admission. The maternal normal menstrual regularity, the last menstrual September 3, 1989. 50 days after menopause mild pregnancy reaction. Pregnancy 19 weeks conscious fetal movement, active so far. June 26 no incentive vaginal bleeding 200 ml or so, not accompanied by abdominal pain, no abnormalities in the local municipal hospital examination, B ultrasound probe placenta located on the right