Endometriosis has been brought to the public eye in recent months by actress Lena Dunham sharing her story about taking the radical decision to have a hysterectomy with the hope to stop the crippling pain she has experienced for years. Hers is a very severe case, and not all women have the same degree of symptoms, however it does highlight a very under-diagnosed and under-recognised issue that affects the lives of an estimated 1 in 10 women.