Endometriosis: Does It Cause Infertility?

What is endometriosis? Endometriosis is when tissue is found outside the uterus that appears similar to the lining of the uterus (endometrium). Endometriosis may grow on the outside of your uterus, ovaries, and tubes and even on your bladder or intestines. This tissue can irritate structures that it touches, causing pain and adhesions (scar