Article
Lactation and incidence of premenopausal breast cancer: a longitudinal study.
Archives of internal medicine - 10 Aug 2009
Stuebe Alison M, Willett Walter C, Xue Fei, Michels Karin B
Abstract excerpt
BACKGROUND: Findings from observational studies suggest an inverse association between lactation and premenopausal breast cancer risk, but results are inconsistent, and data from large prospective cohort studies are lacking. METHODS: We used information from 60,075 parous women participating in the prospective cohort study of the Nurses' Health Study II from 1997 to 2005. Our primary outcome was incident...
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