Final answer:
Endometriosis is a gynecological medical condition of pain during menstruation. It is a disease in which endometrial tissue grows outside the uterus, causing pelvic pain, inflammation, and scarring.
Step-by-step explanation:
Endometriosis is a gynecological medical condition of pain during menstruation. It is a disease in which endometrial tissue grows outside the uterus, causing inflammation, pain, and scarring. The main symptom of endometriosis is pelvic pain, which may range from mild to severe. Other symptoms may include infertility, heavy or irregular menstrual bleeding, and gastrointestinal issues.