异位妊娠(EP)是妇产科常见的急腹症,占妇科疾病的48.5%[1]。近20年来,EP的发病率呈上升趋势,据统计报道,同20世纪70年代相比,该病的发病率在世界范围内已升高近3倍,近年来诊断技术的提高使得EP向着诊断早、准确率高的方向发展,EP的误诊、漏诊的概率减少,随着对保留生殖能力的重 Ectopic pregnancy (EP) is a common gynecological acute abdomen, accounting for 48.5% of gynecological diseases [1]. In the recent 20 years, the incidence of EP has been on the rise. According to statistics, compared with the 1970s, the incidence of this disease has risen nearly three times in the world. In recent years, the improvement of diagnostic techniques has made EP toward the diagnosis Early, high accuracy in the direction of development, EP misdiagnosis, missed the probability of missing, with the retention of reproductive capacity