Tubal Factor Infertility be caused by Scar Tissue in the Tubes or Damage from an Ectopic Pregnancy

Tubal factor infertility is present in about a quarter of infertility cases. Tubal damage can include scar tissue within the fallopian tubes or completely blocked fallopian tubes as a result of birth defect, surgery or injury from an ectopic pregnancy. Tubal damage can also be caused by pelvic inflammatory disease (PID) or pelvic endometriosis.