When Do Pms Symptoms Start?

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Premenstrual syndrome (PMS) refers to a wide range of physical or emotional symptoms that typically occur about 5 to 11 days before a woman starts her monthly menstrual cycle. The symptoms usually stop when menstruation begins, or shortly thereafter.

See also: Premenstrual dysphoric disorder (PMDD)

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Causes, incidence, and risk factors

The exact cause of PMS has not been identified. Changes in brain hormone levels may play a role, but this has not been proven. Women...

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