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Updated: Jul 13, 2026

Changes in Mammary Gland Morphology and Breast Cancer Risk in Rats
Published on: October 16, 2010
Preeclampsia and maternal breast cancer risk by offspring gender: do elevated androgen concentrations play a role?
R Troisi1, K E Innes, J M Roberts
1Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892-7246, USA. troisir@mail.nih.gov
Abstract:
Among older mothers, preeclampsia in the first pregnancy was associated with a reduction in maternal breast cancer risk that was significantly more pronounced in women bearing male than female infants. Androgen concentrations in male, preeclamptic pregnancies were consistent with the hypothesis that elevated pregnancy androgens might mediate this apparent modifying effect of fetal gender.
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