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Causes of abnormal uterine bleeding, . - Coggle Diagram
Causes of abnormal uterine bleeding
Inorganic = dysfunctional = idiopathic
Anovulatory (90%) (irregular cycles)
Preimenarchal
Immature hypothalamic-pituitary-ovarian axis
Perimenopausal
Insensitive ovarian follicles
Ovulatory (regular cycles with abnormalities in frequency, amount, or duration)
Organic
Systemic causes (causes outside the uterus and vagina)
Coagulopathy (disease or drugs)
Liver disease
Chronic kidney disease (uremic thrombasthenia)
Endocrinopathies
Adrenal disorders
DM (uncontrolled)
PCOS
Obesity
Hypothalamic-pituitary disorders
Exogenous hormone administration (e.g. sex steroids, corticosteroids)
Hyperprolactinemia and dopamine antagonists
Hypo- and hyperthyroidism
Local causes
Pregnancy and its complications (e.g.implantation spotting, abortion, ectopic pregnancy, gestational trophoblastic disease, postabortal or postpartum infection)
Neoplasia (e.g. leiomyoma, polyp, endometrial
hyperplasia, cancer)
Infections
Contraceptives
Anatomic abnormalities (e.g atrophic endometrium, atrophic vaginitis, arteriovenous malformation, stenosis, adhesions)
Endometriosis and adenomyosis
Foreign bodies (e.g. IUDs)
Trauma
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