Abnormal uterine bleeding (AUB) is a common problem for women of all ages, accounting for up to one-third of gynecologic office visits. The two main types are heavy bleeding that occurs at an appropriate or expected time, such as a heavy menstrual period (menorrhagia), and any type of bleeding that occurs unexpectedly (metrorrhagia). Many women experience abnormal uterine bleeding in the years leading to menopause, as hormone levels fluctuate. After menopause, any uterine bleeding is considered abnormal and should be investigated.
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