异位妊娠是产科常见急腹症之一,发生率占妊娠的0.5％～1％,现在有所增多,典型病例临床诊断并不难,但部分病例仍需借助辅助检查来诊断。本文病例术前行B超检查,均经手术后病理证实。结果:位于输卵管妊娠占77％(27/35),卵巢妊娠占20％(7/35),其它占2.85％(1/35)。B超声像图特征:35例均显示子宫增大,但小于闭经月份,子 Ectopic pregnancy is one of the common obstetric acute abdomen, the incidence of pregnancy accounted for 0.5% to 1%, now increased, the typical case of clinical diagnosis is not difficult, but some cases still need to be assisted by the diagnosis. This case of preoperative B-ultrasound, confirmed by pathology after surgery. Results: Tubal pregnancy accounted for 77% (27/35), ovarian pregnancy accounted for 20% (7/35), the other accounted for 2.85% (1/35). B ultrasound features: 35 cases showed an enlarged uterus, but less than the amenorrhea month, son