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John L. Dart Library
9 a.m. – 7 p.m.
Phone: (843) 722-7550
West Ashley Library
9 a.m. – 7 p.m.
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Folly Beach Library
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Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
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Wando Mount Pleasant Library
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Phone: (843) 805-6888
Village Library
9 a.m. – 6 p.m.
Phone: (843) 884-9741
St. Paul's/Hollywood Library
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Otranto Road Library
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Mt. Pleasant Library
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McClellanville Library
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Keith Summey North Charleston Library
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John's Island Library
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Hurd/St. Andrews Library
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Miss Jane's Building (Edisto Library Temporary Location)
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Phone: (843) 805-6930
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Associations of Gestational Perfluoroalkyl Substances Exposure with Early Childhood BMI 풵-Scores and Risk of Overweight/Obesity: Results from the ECHO Cohorts.
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- Author(s): Yun Liu; Wosu, Adaeze C.; Fleisch, Abby F.; Dunlop, Anne L.; Starling, Anne P.; Ferrara, Assiamira; Dabelea, Dana; Oken, Emily; Buckley, Jessie P.; Chatzi, Leda; Karagas, Margaret R.; Romano, Megan E.; Schantz, Susan; O'Connor, Thomas G.; Woodruff, Tracey J.; Yeyi Zhu; Hamra, Ghassan B.; Braun, Joseph M.; Environmental influences on Child Health Outcomes
- Source:
Environmental Health Perspectives. Jun2023, Vol. 131 Issue 6, p067001-1-067001-12. 12p. 1 Diagram, 5 Charts, 3 Graphs. - Source:
- Additional Information
- Subject Terms:
- Abstract: BACKGROUND: Gestational per- and polyfluoroalkyl substances (PFAS) exposure may be associated with adiposity and increased risk of obesity among children and adolescents. However, results from epidemiological studies evaluating these associations are inconsistent. OBJECTIVES: We estimated the associations of pregnancy PFAS concentrations with child body mass index (BMI) z-scores and risk of overweight/ obesity in eight U.S. cohorts. METHODS: We used data from 1,391 mother–child pairs who enrolled in eight Environmental influences on Child Health Outcomes (ECHO) cohorts (enrolled: 1999–2019). We quantified concentrations of seven PFAS in maternal plasma or serum in pregnancy. We measured child weight and height between the ages of 2 and 5 y and calculated age- and sex-specific BMI 풵-scores; 19.6% children had more than one BMI measurement. We estimated covariate-adjusted associations of individual PFAS and their mixture with child BMI 풵-scores and risk of overweight/obesity using linear mixed models, modified Poisson regression models, and Bayesian approaches for mixtures. We explored whether child sex modified these associations. RESULTS: We observed a pattern of subtle positive associations of PFAS concentrations in pregnancy with BMI 풵-scores and risk of overweight/obesity. For instance, each doubling in perfluorohexane sulfonic acid concentrations was associated with higher BMI 풵-scores (β=0.07; 95% CI: 0.01, 0.12). Each doubling in perfluroundecanoic acid [relative risk (RR)=1.10; 95% CI: 1.04, 1.16] and 푁-methyl perfluorooctane sulfonamido acetic acid (RR=1.06; 95% CI: 1.00, 1.12) was associated with increased risk of overweight/obesity, with some evidence of a monotonic dose–response relation. We observed weaker and more imprecise associations of the PFAS mixture with BMI or risk of overweight/obesity. Associations did not differ by child sex. DISCUSSION: In eight U.S.-based prospective cohorts, gestational exposure to higher levels of PFAS were associated with slightly higher childhood BMI 풵-score and risk of overweight or obesity. Future studies should examine associations of gestational exposure to PFAS with adiposity and related cardiometabolic consequences in older children. [ABSTRACT FROM AUTHOR]
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