Dysfunctional Uterine Bleeding (Early or Mid-Cycle Breakdown)


D efinition Bleeding that occurs in the absence of ovulation and is not associated with an endometrial structural abnormality or other visible cause (fibroid or polyp).

Clinical Features

Epidemiology

  • Dysfunctional uterine bleeding (DUB) is common, more frequently seen near menopause.

  • Based on histology, the pattern suggests failed follicle and/or the absence of progression to the luteal phase with mid or early cycle shedding.

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