自然流产是产科常见疾病,但双胎妊娠后其中一胎流产而另一胎能保持至足月产的活婴,并不常见。现将所见一例报告如下: 患者女,25岁。停经50天左右,出现阴道出血,呈暗红色,无腹痛,持续3天,拟诊“先兆流 Spontaneous abortion is a common obstetric condition, but it is not uncommon for one child to abort one child after the second pregnancy and the remaining child to have full-term birth. Now see a case of the report as follows: Female patient, 25 years old. Menopause 50 days or so, there vaginal bleeding, dark red, no abdominal pain, for 3 days, to be diagnosed as "threatened flow