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English definition of “dysfunctional uterine bleeding”

dysfunctional uterine bleeding

noun [U] uk   /dɪsˌfʌŋk.ʃənəl ˌjuː.tər.aɪn ˈbliːd.ɪŋ/ us    /dɪsˈfʌŋk.ʃə.nəl ˈjuː.t̬ər.ən ˈbliː.dɪŋ/ ( abbreviation 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.
(Definition of dysfunctional uterine bleeding from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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