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Introduction to Menstrual Abnormalities

By

JoAnn V. Pinkerton

, MD, University of Virginia Health System

Last full review/revision Dec 2020
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Menstrual abnormalities include

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

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Pelvic inflammatory disease (PID) is rare before menarche, during pregnancy, or after menopause. Of the risk factors for PID, which of the following is NOT a risk factor for PID?
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