BMJ : British medical journal
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BMJ
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Multicenter Study Clinical Trial Controlled Clinical Trial
Migraine and stroke in young women: case-control study. The World Health Organisation Collaborative Study of Cardiovascular Disease and Steroid Hormone Contraception.
To investigate the association between migraine and ischaemic or haemorrhagic stroke in young women. ⋯ Migraine in women of childbearing age significantly increases the risk of ischaemic but not haemorrhagic stroke. The coexistence of oral contraceptive use, high blood pressure, or smoking seems to exert a greater than multiplicative effect on the risk of ischaemic stroke associated with migraine.