Parity, breastfeeding, and breast cancer risk by hormone receptor status and molecular phenotype: results from the Nurses' Health Studies.
Renée Turzanski FortnerJulia SistiBoyang ChaiLaura C CollinsBernard RosnerSusan E HankinsonRulla M TamimiA Heather EliassenPublished in: Breast cancer research : BCR (2019)
This study provides evidence that breastfeeding is inversely associated with hormone receptor-negative breast cancers, representing an accessible and cost-effective risk-reduction strategy for aggressive disease subtypes.