What causes endometriosis?

The actual cause of endometriosis is unknown. There are several theories, but none fully explains why the condition occurs.

Click on the links opposite to further explore these theories.

Retrograde menstruation

Genetic predisposition

Lymphatic or circulatory spread

Immune dysfunction

Environmental causes

Metaplasia

It is possible that a combination of these factors could be causing endometriosis to develop in some women.

If you would like an information pack please write to us with a 56p stamp addressed envelope or email us with your address to: info@endometriosis-uk.org