Dysfunctional uterine bleeding (DUB) is seen in

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.