The symptoms usually stop soon after your period begins.
Most women feel some discomfort before their periods.
But if you have PMS, you may feel so anxious, depressed or uncomfortable that you can't cope at home or at work. Some of the symptoms of PMS are listed in the box below. Your symptoms may be worse some months and better others. No one knows for sure. But PMS seems to be linked in part to changes in hormone levels during the menstrual cycle.