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English definition of “dysfunctional uterine bleeding”

dysfunctional uterine bleeding

noun [U] /dɪsˌfʌŋk.ʃənəl ˌjuː.tər.aɪn ˈbliːd.ɪŋ/ US  /dɪsˈfʌŋk.ʃə.nəl ˈjuː.t̬ər.ən ˈbliː.dɪŋ/ (also DUB) specialized
bleeding from the vagina that is not regular or normal and is not due to infection, pregnancy, or a tumour: Dysfunctional uterine bleeding is usually caused by abnormal changes in hormone levels.Diseases of the reproductive system
(Definition of dysfunctional uterine bleeding noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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