 Premenstrual syndrome PMS manifests with distressing physical, behavioral and psychological symptoms, in the absence of organic or underlying psychiatric disease, which regularly recur during luteal phase of each menstrual cycle and disappear or significantly improve by the end of menstruation. Approximately 85-90 of women may experience premenstrual emotional and physical changes in their reproductive age and the prevalence of severe PMS ranges from 3 to 8. 