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Overview

Dysfunctional uterine bleeding (DUB) is heavy or irregular menstrual bleeding that is not caused by an underlying anatomical abnormality, such as a fibroid, lesion, or tumor. DUB is the most common type of abnormal uterine bleeding.
Most cases of DUB are associated with anovulatory bleeding (menstruation that occurs without ovulation). Anovulatory bleeding is common in women who have just started menstruating and during the several years preceding menopause When ovulation does ...Read the full article