Results: Pelvic inflammatory diseases, abortion, IUD, pelvic cavity operation, tubal ligation and pathological changes of reproductive system have evident effect on ectopic pregnancy.
结果：盆腔炎、流产史、放置宫内节育器、盆腔手术史、输卵管结扎术、生殖系统病理改变对异位妊娠的发生有明显影响作用。
Results: From 2003 to 2006, ultrasonography had detected 26 cases with un-ruptured type or abortion type tubal pregnancy which had been further confirmed by operation and expectant treatment.
结果：2003 ~ 2006年超声检出未破裂型或流产型输卵管妊娠26例，均经手术和保守治疗证实。
Results:Pelvic inflammatory diseases, abortion, IUD, tubal operation, have evident effect on ectopic pregnancy.
结果：盆腔炎、流产史、IUD应用及应用史、输卵管手术史对异位妊娠的发生有明显的影响。
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