Endometriosis is a fairly common condition in which endometrial-like tissue is found outside the uterine cavity.
It is said to affect around 8-10% of Australian women, though the incidence is probably higher because many women with endometriosis are relatively asymptomatic.
The etiology of endometriosis is unknown, however, various causes have been proposed. These include:
- Retrograde menstruation. It has been suggested that in some women, endometrial cells flow back into the peritoneal cavity during menstruation and implant there. A variation is