Endometriosis is a disease where cells similar to those in the lining of the womb (endometrium) start to grow in other places, for instance in the pelvis, abdomen or even the chest cavity.
These cells are stimulated by hormones in the body and 'menstruate' once a month, but the blood isn’t able leave the body in the usual way. This can irritate the tissue in the affected area, leading to inflammation, the formation of scar tissue and pain.
It can sometimes infiltrate the bowel, the bladder, and the ureter, block the fallopian tubes and invade the muscle of the womb.
Other symptoms can include:
- Bowel and bladder problems
- Pelvic pain
- Pain during sex
- Low mood and chronic tiredness
- Difficulty getting pregnant