Outflow obstruction	Intra-uterine pathology	Extra-uterine pathology
Müllerian duct abnormalities cervical stenosis (예. after cone biopsy)	Fibroids endometrial polyps intra-uterine contraceptive device adenomyosis	Endometriosis pelvic inflammatory discase previous surgery pelvic venous congestion

Omitted

월경통(Dysmenorrhea) 구독