例 1　女 ,2 4岁 ,因停经 5 5ｄ ,右下腹痛 1ｈ入院。入院前 1周自然排出一组织物 ,未作病理。ｈＣＧ 4193ｍＩＵ ｍｌ。 1994年有左侧输卵管壶腹部妊娠切除史。妇检 :阴道内中等量血性分泌物 ,宫颈着色明显 ,无举痛 ,后穹窿不饱满 ,子宫大如孕 2月 ,子宫前壁扪及 1.5ｃｍ× 3 Example 1 female, 24 years old, due to menopause 5 5d, right lower abdominal pain 1h admission. One week before admission, a group of fabrics were naturally excreted without pathology. hCG 4193mIU ml. 1994 left ovarian ampulla pregnancy history of excision. Maternal seizures: medium amount of bloody vaginal discharge, cervical stained obvious, no pain, after the dome is not full, as large as a pregnant uterus in February, the anterior wall of the uterus palpable 1.5cm × 3