Medically reviewed by Peter Weiss, MD Tubal ligation reversal (microsurgical tubal reanastomosis) is a surgical procedure done to enable pregnancy in people who had tubal ligation surgery. Tubal ...

Blocked fallopian tubes, also known as tubal occlusion ... such as those for ectopic pregnancies or fibroids, can result in adhesions or scar tissue, which can block the fallopian tubes.