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Obesity may increase risk of rare type of stroke in women taking oral contraceptives

BMJ 2016; 352 doi: (Published 16 March 2016) Cite this as: BMJ 2016;352:i1554
  1. Ingrid Torjesen
  1. London

Obese women who use oral contraceptives seem to have a raised risk of a rare type of stroke known as a cerebral venous thrombosis (CVT), a study published online by JAMA Neurology shows.1

CVT affects mainly young adults and children and is associated with specific risk factors including local infections and head trauma, as well as some of the same risk factors as venous thromboembolism, such as cancer and oral contraceptive use. However, the effect of …

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