| Coagulopathy | | von Willebrand disease | | Thrombocytopenia (due to idiopathic thrombocytopenic purpura, hypersplenism, chronic renal failure) | | Acute leukemia | | Anticoagulants | | Advanced liver disease | | Neoplasm | | Endometrial hyperplasia or carcinoma | | Uterine sarcoma | | | Structural lesion | | Uterine leiomyomas (fibroids) | | Adenomyosis | | Endometrial polyps | | Other | | Endometritis | | Hypothyroidism | | Intrauterine device | | Hyperestrogenism | | Endometriosis | |
