Merck Manual

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Introduction to Menstrual Abnormalities

By

JoAnn V. Pinkerton

, MD, University of Virginia Health System

Reviewed/Revised Jan 2023
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Some common menstrual abnormalities include

Irregular or absent menses and nonmenstrual vaginal bleeding have many causes. In women of reproductive age, pregnancy should always be suspected.

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NOTE: This is the Professional Version. CONSUMERS: View Consumer Version
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