BMJ : British medical journal
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To determine whether migraine is a risk factor for ischaemic stroke in young women. ⋯ These results indicate an independent association between migraine and the risk of ischaemic stroke in young women. Although the absolute risk of ischaemic stroke in young women with migraine is low, the reduction of known risk factors for stroke, in particular smoking and use of oral contraceptives, should be considered in this group.