异位妊娠是妇产科常见的急症之一，生育期任何年龄均可发生。现对３３例异例妊娠谈谈原因简析如下。１　临床资料我院妇产１９９５年２月～１９９７年５月，收入各型宫外孕总数为１２９例，误诊为其它疾病的３３例，其中误诊为盆腔肿块５例，误诊为子宫肌瘤７例，误诊为盆腔炎 Ectopic pregnancy is one of the common emergency of obstetrics and gynecology, growth can occur at any age. Now 33 cases of abnormal pregnancy talk about the reasons are as follows. 1 Clinical data Our hospital maternity from February 1995 to May 1997, the total income of various types of ectopic pregnancy 129 cases, 33 cases misdiagnosed as other diseases, of which 5 cases were misdiagnosed as pelvic mass misdiagnosed as uterine fibroids in 7 cases, Misdiagnosed as pelvic inflammatory disease