Abstract
Objective:
To determine if racial disparities exist in maternal and fetal cord serum concentrations of bisphenol A (BPA).
Study Design:
A nested cross-sectional study was performed from a cohort of 600 term nulliparas. In 27 patients (8 Caucasian, 8 African-American and 11 Hispanic), term pre-labor maternal serum and corresponding fetal-cord serum were analyzed for BPA.
Result:
African-Americans had the highest maternal serum concentrations, 10-fold higher than Caucasians (30.13 vs 3.14 ng ml−1; P=0.038). Hispanics had intermediate concentrations with a trend towards higher concentrations compared with Caucasians (24.46 vs 3.14 ng ml−1; P=0.051). Overall concentrations were 10-fold higher in maternal samples than fetal samples (14.1 vs 1.3 ng ml−1; P=0.001). Hispanics had higher fetal concentrations than non-Hispanics (2.05 vs 0.35 ng ml−1; P=0.025).
Conclusion:
We found significant racial/ethnic differences in maternal/fetal BPA concentrations. Further study is needed to determine if these differences reflect disparities in exposure, metabolism or placental transfer.
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Acknowledgements
Supported in part by research Grant no. 6-Fy06-311 from the March of Dimes Foundation and by the Department of Obstetrics and Gynecology Research Development Fund, Medical University of South Carolina.
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Presented at the Society for Maternal-Fetal Medicine 31st Annual Meeting in San Francisco, CA on 10 February 2011, Poster no. 206 and 207.
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Unal, E., Lynn, T., Neidich, J. et al. Racial disparity in maternal and fetal-cord bisphenol A concentrations. J Perinatol 32, 844–850 (2012). https://doi.org/10.1038/jp.2012.12
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DOI: https://doi.org/10.1038/jp.2012.12
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