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Women are often concerned about the safety of their method of choice and also ask about likely effects on their pre\u2010existing headache or migraine and restrictions on using their headache medication.<\/jats:p>\n                  <jats:p>While there should be no restriction to the use of combined hormonal contraceptives by women with migraine without aura, the balance of risks vs benefits for women with aura are debatable. Migraine with aura, but not migraine without aura, is associated with a twofold increased risk of ischemic stroke, although the absolute risk is very low in healthy, nonsmoking women. Although ethinylestradiol has been associated with increased risk of ischemic stroke, the risk is dose\u2010dependent. 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