Dysfunctional uterine bleeding (DUB) is seen in
Polycystic ovarian disease
Endometrial tuberculosis
Metropathia haemorrhagica
Multiple fibroids
The term DUB is used for menorrhagia in the absence of any structural abnormality, pelvic pathology or evidence of extra-genital cause for bleeding or endocrine disorder. Metropathia haemorrhagic is a specialized form of DUB. Continuous uterine bleed is the most constant symptom and may be preceded by amenorrhoea of about 8-10 weeks duration. ref katzung 12th ed. Bleeding is always painless and anovulatory. Thick polypoidal endometrium and a cystic follicle are present in one ovary.
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