Question: How Common Is PMDD?
Answer:
About 75% of menstruating women experience minor premenstrual symptoms, while 20% to 25% will experience premenstrual syndrome (PMS). According to the DSM-IV, 3% to 5% of women will experience symptoms severe enough to be classified as premenstrual dysphoric disorder (PMDD).
Source:
Jacobson, James L. and Alan M. Jacobson. Psychiatric Secrets. 2nd ed. Philadelphia: Hanley & Belfus, 2001.

