输卵管结扎是绝育的一项主要措施，为了降低输卵管结扎术后异位妊娠的发生率，本文分析了输卵管结扎与异位妊娠的关系，探讨了病因及预防措施。１ 临床资料１．１一般情况。我站１９９６—１９９９年收治异位妊娠７２例，其中绝育术后１３例，占异位妊娠的１８．０６％。１．２ Tubal ligation is a major measure of sterility. In order to reduce the incidence of ectopic pregnancy after tubal ligation, this paper analyzes the relationship between tubal ligation and ectopic pregnancy and explores the etiology and preventive measures. 1 clinical data 1.1 general situation. I stand from 1996 to 1999, 72 cases of ectopic pregnancy, of which 13 cases after sterilization, accounting for 18.06% of ectopic pregnancy. 1.2