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First-trimester maternal concentrations of polyfluoroalkyl substances and fetal growth throughout pregnancy

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dc.contributor.author Costa, Olga
dc.contributor.author Iñiguez, Carmen
dc.contributor.author Manzano Salgado, Cyntia Beatriz, 1987-
dc.contributor.author Amiano, Pilar
dc.contributor.author Murcia, Mario
dc.contributor.author Casas Sanahuja, Maribel
dc.contributor.author Irizar, Amaia
dc.contributor.author Basterrechea, Mikel
dc.contributor.author Beneito, Andrea
dc.contributor.author Schettgen, Thomas
dc.contributor.author Sunyer Deu, Jordi
dc.contributor.author Vrijheid, Martine
dc.contributor.author Ballester Díez, Ferran
dc.contributor.author Lopez-Espinosa, Maria-José
dc.date.accessioned 2020-01-22T08:31:33Z
dc.date.available 2020-01-22T08:31:33Z
dc.date.issued 2019
dc.identifier.citation Costa O, Iñiguez C, Manzano-Salgado CB, Amiano P, Murcia M, Casas M et al. First-trimester maternal concentrations of polyfluoroalkyl substances and fetal growth throughout pregnancy. Environ Int. 2019;130:104830. DOI: 10.1016/j.envint.2019.05.024
dc.identifier.issn 0160-4120
dc.identifier.uri http://hdl.handle.net/10230/43358
dc.description.abstract Background: Several studies have investigated the possible association between prenatal exposure to perfluoroalkyl substances (PFASs) and birth anthropometry. However, none has assessed fetal size longitudinally. We studied the possible association between PFASs and fetal biometry. Methods: In 1230 mother-child pairs of three cohorts from the Spanish INMA-Project, we analyzed perfluorohexanesulfonic acid (PFHxS), perfluorooctanesulfonic acid (PFOS), perfluorooctanoic acid (PFOA), and perfluorononanoic acid (PFNA) in first-trimester maternal plasma (collection: 2003-2008). We measured abdominal circumference (AC), femur length (FL), biparietal diameter (BPD), and estimated fetal weight (EFW) by ultrasounds at 12, 20, and 34 gestational weeks. We conducted multivariable linear regression analyses between log2-transformed (PFASs) and SD-scores of fetal parameters in each cohort and subsequent meta-analysis. We also assessed effect modification by sex and maternal smoking. Results: PFHxS, PFOA, PFOS, and PFNA medians were: 0.58, 2.35, 6.05, and 0.65 ng/mL, respectively. There were no associations for the whole population in any trimester of pregnancy. However, we found an indication that maternal smoking modified the effect in different directions depending on the PFAS. Among smokers (31%), we found negative associations between both PFOA and PFNA and FL or EFW at week 20 (% change ranging between -6.8% and -5.7% per twofold PFAS increase) and positive associations between PFHxS or PFOS and BPD at week 34 (6.8% and 6.3%, respectively). Conclusions: Results did not suggest an overall association between prenatal PFASs and fetal growth. The results among smokers should be taken with caution and further studies are warranted to elucidate the possible role of smoking in this association.
dc.description.sponsorship This work was supported by grants from the European Union [FP7-ENV-2011 cod 282957 and HEALTH.2010.2.4.5-1] and from Spain: Instituto de Salud Carlos III [Red INMA G03/176, CB06/02/0041, FIS-FEDER: PI03/1615, PI041436, PI04/1509, PI04/1112, PI04/1931, PI05/1079, PI05/1052, PI06/0867, PI06/1213, PI07/0314, PI081151, PI09/02647, PI09/00090, PI11/01007, PI11/02591, PI11/02038, PI12/01890, PI13/1944, PI13/2032, PI14/00891, PI14/01687, PI16/1288, and PI17/00663; Miguel Servet-FEDER CP11/0178, Miguel Servet-FSE: MS16/00128, and MSII16/00051; and PFIS-FI14/00099]; Alicia Koplowitz Foundation 2017; Generalitat Valenciana [FISABIO-UGP 15-230, 15-244, and 15-249]; Department of Health of the Basque Government [2005111093 and 2009111069]; the Provincial Government of Gipuzkoa [DFG06/004 and DFG08/001]; and the Generalitat de Catalunya-CIRIT [1999SGR 00241].
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.relation.ispartof Environment International. 2019;130:104830
dc.rights © 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/)
dc.rights.uri http://creativecommons.org/licenses/BY-NC-ND/4.0/
dc.title First-trimester maternal concentrations of polyfluoroalkyl substances and fetal growth throughout pregnancy
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1016/j.envint.2019.05.024
dc.subject.keyword Fetal growth
dc.subject.keyword PFASs
dc.subject.keyword PFHxS
dc.subject.keyword PFNA
dc.subject.keyword PFOA
dc.subject.keyword PFOS
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/282957
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion


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