PMS stands for premenstrual syndrome and refers to the physical, psychological and emotional symptoms a child-bearing age woman can experience as she goes through the phase of her menstrual cycle that occurs between ovulation and the start of her monthly bleed.In the loose meaning of the term, PMS, it is interpreted to mean any difficulty a woman experiences during her menses but the true meaning of PMS is that it refers to symptoms experienced only during a two-week period of time between the t