Tubal factor infertility accounts for about 20-25% of all cases of infertility. This category includes cases in which the woman has completely blocked fallopian tubes and also women who have either one blocked tube or tubal scarring or other tubal damage. Most tubal disease is caused by an episode of tubal infections (pelvic inflammatory disease, PID) or a condition called endometriosis.
In cases of relatively minor tubal damage it can be difficult to be certain that the infertility problem is solely due to the tubal damage. …