Effects of birth order and maternal age on breast cancer risk: modification by whether women had been breast-fed.

Publication Type:

Journal Article


Epidemiology (Cambridge, Mass.), Volume 19, Issue 3, p.417-23 (2008)


2008, 258, Adult, Aged, Birth Order, Breast Feeding, Breast Neoplasms, Case-Control Studies, Female, Humans, Incidence, Interviews as Topic, Logistic Models, Maternal Age, Middle Aged, Risk Factors, Wisconsin


Early life risk factors for breast cancer have been investigated in relation to hormonal, nutritional, infectious, and genetic hypotheses. Recent studies have also considered potential health effects associated with exposure to environmental contaminants in breastmilk.