{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T12:17:41Z","timestamp":1789042661033,"version":"build-2803163510"},"reference-count":86,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T00:00:00Z","timestamp":1788739200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"NIH","award":["R01NR014800, R01MD009064, U24ES029490, R01MD009746"],"award-info":[{"award-number":["R01NR014800, R01MD009064, U24ES029490, R01MD009746"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Nutr Health"],"abstract":"\n Background<\/jats:title>\n Exposure to per- and polyfluoroalkyl substances (PFAS) is linked to reduced fetal growth, yet little is known about potentially modifiable factors that may mitigate these harmful effects.<\/jats:p>\n <\/jats:sec>\n \n Aim<\/jats:title>\n In this study, we assessed whether prenatal dietary factors, including folate, vitamin D, and dietary inflammation, may modify the inverse associations between prenatal PFAS exposure and birthweight for gestational age z-scores (BWZ).<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n \n Participants were a subset of the prospective Atlanta African American Maternal-Child Cohort (\n N<\/jats:italic>\n \u2009=\u2009268, delivery dates between 2014 and 2018), which includes serum and dietary intake data. Serum collected at 8\u201314 weeks\u2019 gestation was analyzed for four PFAS (perfluorohexane sulfonic acid, perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA), and perfluorononanoic acid) and total and free 25-hydroxyvitamin D (25(OH)D). A semi-quantitative food frequency questionnaire administered during early pregnancy was used to ascertain dietary folate equivalents (DFE) and dietary inflammatory index (DII) over the last three months. We used linear regression stratified by dichotomized dietary measures (DFE, total and free 25(OH)D, and DII) to assess effect modification of the association between individual PFAS and BWZ. Mixture effects were estimated using quantile-based g-computation and Bayesian kernel machine regression.\n <\/jats:p>\n <\/jats:sec>\n \n Summary<\/jats:title>\n \n A natural log increase in PFOS and PFOA was more strongly associated with lower BWZ only among participants with pro-inflammatory diets (DII \u226575\n th<\/jats:sup>\n percentile) or low 25(OH)D (total 25(OH)D\u2009<\u200975\n th<\/jats:sup>\n percentile). Similar patterns were observed in PFAS mixture analyses (e.g.\n \n \n \n \u03a8<\/mml:mi>\n \n \n DII<\/mml:mi>\n <\/mml:mrow>\n \n \u2265<\/mml:mo>\n 75<\/mml:mn>\n \n th<\/mml:mi>\n <\/mml:mrow>\n \n \n percentile<\/mml:mi>\n <\/mml:mrow>\n <\/mml:mrow>\n <\/mml:msub>\n <\/mml:math>\n <\/jats:inline-formula>\n \u2009=\u2009\u22120.47, 95% CI\u2009=\u2009\u22120.77, \u22120.18, and\n \n \n \n \u03a8<\/mml:mi>\n \n \n DII<\/mml:mi>\n <\/mml:mrow>\n <<\/mml:mo>\n 75<\/mml:mn>\n \n th<\/mml:mi>\n <\/mml:mrow>\n \n \n percentile<\/mml:mi>\n <\/mml:mrow>\n <\/mml:mrow>\n <\/mml:msub>\n <\/mml:math>\n <\/jats:inline-formula>\n \u2009=\u2009\u22120.08, 95% CI\u2009=\u2009\u22120.24, 0.07). Overall, maternal dietary factors may influence susceptibility to PFAS-related fetal growth effects.\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1177\/02601060261486114","type":"journal-article","created":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T04:22:57Z","timestamp":1788841377000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Dietary folate, vitamin D, and inflammation modify associations between prenatal per- and polyfluoroalkyl substance (PFAS) exposures and fetal growth"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-6510-4806","authenticated-orcid":false,"given":"Yunjie","family":"Huang","sequence":"first","affiliation":[{"name":"Emory University Rollins School of Public Health"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7311-2298","authenticated-orcid":false,"given":"Donghai","family":"Liang","sequence":"additional","affiliation":[{"name":"Emory University Rollins School of Public Health"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5092-8136","authenticated-orcid":false,"given":"Anne L","family":"Dunlop","sequence":"additional","affiliation":[{"name":"Emory University School of Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5566-2138","authenticated-orcid":false,"given":"Dana Boyd","family":"Barr","sequence":"additional","affiliation":[{"name":"Emory University Rollins School of Public Health"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1926-7456","authenticated-orcid":false,"given":"Kurunthachalam","family":"Kannan","sequence":"additional","affiliation":[{"name":"Wadsworth Center"},{"name":"Department of Environmental Health Sciences, State University of New York, Albany, NY, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth J","family":"Corwin","sequence":"additional","affiliation":[{"name":"Columbia University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5579-4256","authenticated-orcid":false,"given":"P. 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