PMT can vary in intensity and relates to Progesterone deficiency in the last 2 weeks of the menstrual cycle. PMT seems to get progressively worse with age and typically results in mood swings, irritability, aggression that is out of the person's control.
Women often tell me they act totally out of character and can't control their emotions! Fortunately this condition responds to Bio-identical progesterone.
This video portrays an extreme example of PMT. ....................................