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Breastfeeding and Risk of Stroke in Postmenopausal Women

J Am Heart Assoc; ePub 2018 Aug 22; Jacobson, et al

Among a cohort of parous postmenopausal women, ever breastfeeding was associated with a lower risk of stroke, and this association was strongest for non-Hispanic black women. This according to an analysis of data taken from the Women’s Health Initiative Observational Study with follow-up through 2010. Among the details:

  • Of the 80,191 parous women (average age at baseline 63.7 years) in the study, 2,699 (3.4%) had experienced a stroke within the follow-up period of 12.6 years.
  • Compared with women who had never breastfed, women who reported ever breastfeeding has a 23% lower risk of stroke.
  • Breastfeeding for a relatively short duration (1-6 months) was associated with a 19% lower risk of stroke.
  • Longer duration of breastfeeding was associated with a lower risk of stroke in all women.

Citation:

Jacobson LT, Hade EM, Collins TC, et al. Breastfeeding history and risk of stroke among parous postmenopausal women in the Women’s Health Initiative. [Published online ahead of print August 22, 2018]. J Am Heart Assoc. doi:10.1161/JAHA.118.008739.

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