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Ectopic pregnancy after tubal sterilization.

We report 13 cases of ectopic pregnancy following tubal ligation out of 287 ectopic pregnancies seen during a six year period (1984-1989). These findings suggest that tubal sterilization does not invariably confer infertility. Ectopic pregnancy must not be disregarded in women who have undergone tubal ligation, especially if two or more years have elapsed since the sterilization.