Endometriosis is a reasonably common condition that affects a little more than 10% of women. While the cause is not known, it is where tissue normally found on the lining of the uterus grows in other places in the abdomen. Like ovaries. Or fallopian tubes.
Depending on the amount of tissue, this can be mildly uncomfortable in some cases and painful and distressing in others.
Left unattended, endometriosis can have a large impact on your quality of life and can, in some cases, affect your ability to fall pregnant.
Fortunately, there are treatments.