What criteria should I use to refer a patient for specialist assessment of suspected endometriosis?

Refer to a specialist endometriosis service (endometriosis centre) if the woman has suspected or confirmed: endometrioma, deep endometriosis involving the bowel, bladder, or ureter, or endometriosis outside the pelvic cavity ².

Refer young women (aged 17 years or younger) with suspected or confirmed endometriosis to a paediatric and adolescent gynaecology service, gynaecology service, or specialist endometriosis service (endometriosis centre), depending on local service provision ².

Refer women or people with symptoms of, or confirmed, endometriosis to a gynaecology service if: initial treatment is not effective, is not tolerated or is contraindicated, or they have symptoms of endometriosis which have a detrimental impact on activities of daily living, or they have persistent or recurrent symptoms of endometriosis, or they have pelvic signs of endometriosis, but deep endometriosis is not suspected ¹.

Refer women or people to a specialist endometriosis service if they have suspected or confirmed: endometrioma, deep endometriosis, including that involving the bowel, bladder or ureter, or endometriosis outside the pelvic cavity ².