Every year, 18 out of 100 women age 12 and older experience at least one migraine headache, a misfortune that strikes only six percent to seven percent of men. The cause behind this difference is hormones, which play a powerful role in triggering women's headaches. In this article from the Mayo Clinic, experts discuss the connection between headaches and hormones in women. They also give advice on treatments that women can use during menstruation, menopause, and pregnancy to help ease headache...