Premenstrual Syndrome (PMS) and Premenstrual Dysphoric Disorder (PMDD)

Premenstrual syndrome, also called PMS, includes both emotional and physical signs and symptoms. It affects a woman for a week or two before the start of her menstrual period. Symptoms go away shortly after her period starts. About 75 percent of women have PMS at some time before menopause.

Premenstrual dysphoric disorder, also called PMDD, is a more severe form of PMS, affecting about 3 to 6 percent of women. PMDD can interfere with daily life and make it hard for a woman to maintain relationships. Women who have had major depression are more likely than others to have PMDD.

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Resource:
The Hormone Foundation

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