text: The exact pathogenesis of endometriosis is not clear; several theories have been set forth. The Sampson theory of retrograde menstruation, the coelomic metaplasia theory, and the lymphatic and vascular dissemination theory explain the implantation and invasion of the endometrial tissue outside the uterine cavity. Immunologic factors and genetic factors are also thought to play a role in the pathogenesis of endometriosis.
option_0: Endometriosis pathophysiology
option_1: Endometrial hyperplasia pathophysiology
option_2: Ectopic pregnancy pathophysiology
option_3: Endometriosis causes
option_4: Endometrial cancer pathophysiology
option_5: Polycystic ovary syndrome pathophysiology
option_6: Endometrial hyperplasia causes
option_7: Endometriosis risk factors