What are the symptoms and characteristics of endometriosis?

Pain. Many women with endometriosis have no symptoms at all.Some have painful periods. Some women have chronic pain not related to periods or even painful sex. Others have bladder and rectal pain. The symptoms are highly variable.
Pain. Pain is the number one symptom whether during menstruation, intercourse, voiding and bowel movements. Infertility may be the only indication of this disease.