Tubal Blockage: To remove blockages that prevent the egg and sperm from meeting. Ectopic Pregnancy: To remove a pregnancy that occurs outside the uterus, often in the fallopian tubes. Tubal Ligation Reversal: To restore fertility in women who have previously undergone tubal ligation (a form of permanent birth control). Hydrosalpinx: To remove or repair a fallopian tube that is filled with fluid and causing infertility.