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结扎输卵管是一种比较可靠的绝育方法。目前,结扎输卵管的方法很多,但由于种种原因,常有个別输卵管结扎失败的病例.据文献
Ligation of the fallopian tubes is a more reliable method of sterilization. At present, there are many ways to ligation of fallopian tubes, but for various reasons, there are often cases of failure of tubal ligation. According to the literature