Do BRCA1 mutations affect the ability to breast feed? Significantly shorter length of breast feeding among BRCA1 mutation carriers compared with their unaffected relatives.
The difference in length of breast feeding between women with a BRCA 1 mutation and their unaffected relatives was investigated. Fifty women belonging to a family with a known BRCA1 mutation had themselves undergone testing and each had given birth to at least one child. Women with BRCA1 mutation breast-fed their first infant for a significantly shorter period (P = 0.048) and the second and third