Abstract
Endometriosis is defined as the presence of endometrial tissue outside the uterine and it may be present in the pelvis, the ovary, peritoneum, intestine, ureter, or bladder. It is a common gynecological disease, occurring in 10-15% of women of reproductive age. The main symptoms include pelvic pain and infertility. The etiologic mechanism of endometriosis is still largely unknown and thei…