Maternal age and birth rank of women with breast cancer - PubMed (original) (raw)

Maternal age and birth rank of women with breast cancer

K J Rothman et al. J Natl Cancer Inst. 1980 Oct.

Abstract

Data from a large international case-control study of breast cancer suggested that women born to young mothers had a 25% lower risk of breast cancer. The association was not secondary to a tendency for these women themselves to have had children at early ages. The data provided no indication of a meaningful association between breast cancer risk and birth rank. Confounding was controlled by stratification according to a summary confounder score.

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