This document discusses endometriosis, a condition where endometrial tissue grows outside the uterus, such as on the ovaries or fallopian tubes. It notes that approximately 1 in 10 women have endometrial lesions associated with endometriosis but may not experience symptoms. It states that the average time to diagnosis for women experiencing symptoms is 10 years. There is currently no cure for endometriosis and treatments do not work for all women as the disease is chronic and progressive.