Menstrual Headaches Menstrual Headaches 60 percent 60 percent of women National Headache Foundation Symptoms of menstrual migraines 18 percent menstrual migraines National Headache Foundation National Headache Foundation National Headache Foundation National Headache Foundation Menstrual Headaches 60% of them 60 por cento das mulheres National Headache Foundation http://www.headaches.org/2007/10/25/menstrual-migraine/ Menstrual Migraines 60 percent of women National Headache Foundation PMS-related headache National Headache Foundation National Headache Foundation 60 percent