在印度为节育而接受输卵管切除术的妇女人数不断增加。1974年以来,每年约有一百多万人接受此术,1976～1977年有两百多万人。在印度及世界其他地区调查表明,输卵管绝育术的失败率约在0.25～2%。其异位妊娠的发生率高于一般人群,戚氏报告其发生率约为5.3%。Tatum报告约为 The number of women receiving tubal ablation in India for birth control is on the rise. Since 1974, about one million people a year have accepted this operation, with more than 2 million people between 1976 and 1977. Surveys in India and other parts of the world show that the failure rate of tubal sterilization is about 0.25-2%. The incidence of ectopic pregnancy than the general population, Qi reported the incidence of about 5.3%. Tatum reports about