Per- and polyfluoroalkyl substances (PFAS) and thyroid hormone measurements in dried blood spots and neonatal characteristics: a pilot study.

J Expo Sci Environ Epidemiol · 2023 · PMC10541328 · PMID 37730931

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did not reach statistical significanceno p-value reported

Of the two studies examining TSH from newborn DBS in relation to PFAS, one found a consistent inverse association that did not reach statistical significance, with higher cord blood concentrations of PFNA, PFOA, and PFOS and decreased TSH [ 77 ], and the other found no associations between second trimester maternal serum PFAS concentrations and TSH concentrations [ 74 ].

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