Hormones and migraine are intimately connected. Ten million women in the US suffer from migraine associated with hormones -- but they may not know it. Migraines that occur right before and right after the menstrual period can be more frequent and last longer than migraines that occur in other stages of the menstrual cycle. Often they are more severe and more difficult to treat. Many women aren't sure if the headaches they suffer from are migraine, tension, cluster,