Endometriosis is a common health problem in women. It gets its name from the word endometrium, the tissue that lines the uterus (womb). In women with this problem, tissue that looks and acts like the lining of the uterus grows outside of the uterus in other areas. These areas can be called growths, tumors, implants, lesions, or nodules.
Most endometriosis is found:
- on or under the ovaries
- behind the uterus
- on the tissues that hold the uterus in place
- on the bowels or bladder
Endometriosis rarely grows in the lungs or other parts of the body. This "misplaced" tissue can cause pain, infertility (not being able to get pregnant), and very heavy periods.
In what places, outside of the uterus, do areas of endometriosis grow?
Most endometriosis is found in the pelvic cavity:
- On or under the ovaries
- Behind the uterus
- On the tissues that hold the uterus in place
- On the bowels or bladder
In extremely rare cases, endometriosis areas can grow in the lungs or other parts of the body.
What are the treatments for endometriosis?
There is currently no cure for endometriosis. But a variety of treatment options exist, and there are ways to minimize the symptoms caused by the condition.
There are several ways to treat pain, including:
- Pain medication – may be used to relieve symptoms
- Hormone therapy – may be used to control the growth of endometriosis
- Surgery – may be used to remove growths or control the size of very large endometriosis and to relieve pain.
Hormone treatments and surgery may help women who are unable to become pregnant. There are also other treatments for infertility associated with endometriosis.

