• What causes an absence of menstruation?

    2 monthes ago - By Medical News Today

    An absence of menstruation, also called amenorrhea, means either that a person has not started having periods by the age of 16 or that someone who has started menstruating has missed three periods in a row. In this article, learn about 13 causes of amenorrhea, possible additional symptoms, and when to see a doctor.
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