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本文现将经手术病理证实B超误诊宫外孕4例报道如下:例1：28岁，以左下腹部闷痛不适20天为主诉。月经周期尚规则，无阴道出血。
This article will now be confirmed by surgical pathology B-misdiagnosed ectopic pregnancy in 4 cases reported as follows: Case 1:28 years old, to the left lower quadrant boring pain discomfort for 20 days the main complaint. Menstrual cycle is still the rule, no vaginal bleeding.