对１９９２年１月～１９９８年１月收治的异位妊娠２３１例，其中带器异位妊娠４１例进行分析。结果同期异位妊娠与宫内妊娠的比值前３年为８１‰，后３年为１５‰，而带器异位妊娠与同期异位妊娠的比值前３年为２０７％，后３年为１５９％，表明宫内节育器不增加异位妊娠的发生率。同时探讨了宫内节育器合并异位妊娠的发生机理。 231 cases of ectopic pregnancy were treated from January 1992 to January 1998, of which 41 cases were diagnosed as ectopic pregnancy. Results The ratio of ectopic pregnancy to intrauterine pregnancy in the same period was 8.1% in the first 3 years and 15% in the latter 3 years, while the ratio of ectopic pregnancy to ectopic pregnancy in the same period was 20.7% 3 years was 15  9%, indicating that IUD does not increase the incidence of ectopic pregnancy. The mechanism of intrauterine device combined with ectopic pregnancy was also discussed.