The pattern is so predictable that Rennich, a 28 - year - old electrical engineer from Acton, Massachusetts, can say, «If you want me to
get a migraine with aura at two in the afternoon, I can give you a migraine with aura at two.»
(She adds, however, that women who
get migraines with an aura — meaning that they see spots or lights — should not use combined progestin - estrogen hormonal methods.)