ArticleCancer causes & control : CCC2013
Prenatal DES exposure in relation to breast size.
Article in Cancer causes & control : CCC, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 7 citations in OpenAlex.
- Consensus on the key characteristics of endocrine-disrupting chemicals as a basis for hazard identification.Nature reviews. Endocrinology · 2020Review
- Environmental endocrine disruptors: Effects on the human male reproductive system.Reviews in endocrine & metabolic disorders · 2015Review
- Application of Sholl analysis to quantify changes in growth and development in rat mammary gland whole mounts.Reproductive toxicology (Elmsford, N.Y.) · 2015Article
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8 authors at 5 institutions in 1 country.
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Abstract
purposePrenatal DES exposure has been associated with increased risk of breast cancer, but the mechanisms are unknown. Larger bra cup size has also been associated with increased breast cancer risk, although not consistently. We investigated the relation of prenatal DES exposure to mammary gland mass, as estimated by bra cup size.
methodsIn 2006, 3,222 DES-exposed and 1,463 unexposed women reported their bra cup size, band size (chest circumference), and weight at age 20. Prevalence ratios (PR) were calculated for DES exposure in relation to large bra cup size, with control for year of birth and study cohort. Primary analyses were carried out among women who reported a chest circumference of no more than 32 inches because their cup size would be less influenced by fat mass.
resultsWithin this group, DES-exposed women had an estimated 45% increased prevalence (95% CI 0.97-2.18) of large cup size (C or greater) relative to unexposed women. The PR was further increased among women in this group who had a body mass index of < 21 at age 20: PR = 1.83 (95% CI 1.11-3.00). The PR for high-dose DES exposure relative to no exposure was 1.67, 95% CI 1.02-2.73, whereas there was no association of bra cup size with low-dose exposure.
conclusionsThese results provide support for the hypothesis that in utero DES exposure may result in greater mammary gland mass. Taken together with previous research on bra size and breast cancer risk, these findings suggest a mechanism for a possible association of in utero DES exposure with increased risk of breast cancer.
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