Associations of maternal cell-phone use during pregnancy with pregnancy duration and fetal growth in 4 birth cohorts

Tsarna, Ermioni; Reedijk, Marije; Birks, Laura Ellen, 1983-; Guxens Junyent, Mònica; Ballester Díez, Ferran; Ha, Mina; Jiménez-Zabala, Ana; Kheifets, Leeka; Lertxundi, Aitana; Lim, Hyungryul; Olsen, Jørn; González-Safont, Llúcia; Sudan, Madhuri; Cardis, Elisabeth; Vrijheid, Martine; Vrijkotte, Tanja; Huss, Anke; Vermeulen, Roel

Associations of maternal cell-phone use during pregnancy with pregnancy duration and fetal growth in 4 birth cohorts

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dc.contributor.author Tsarna, Ermioni
dc.contributor.author Reedijk, Marije
dc.contributor.author Birks, Laura Ellen, 1983-
dc.contributor.author Guxens Junyent, Mònica
dc.contributor.author Ballester Díez, Ferran
dc.contributor.author Ha, Mina
dc.contributor.author Jiménez-Zabala, Ana
dc.contributor.author Kheifets, Leeka
dc.contributor.author Lertxundi, Aitana
dc.contributor.author Lim, Hyungryul
dc.contributor.author Olsen, Jørn
dc.contributor.author González-Safont, Llúcia
dc.contributor.author Sudan, Madhuri
dc.contributor.author Cardis, Elisabeth
dc.contributor.author Vrijheid, Martine
dc.contributor.author Vrijkotte, Tanja
dc.contributor.author Huss, Anke
dc.contributor.author Vermeulen, Roel
dc.date.accessioned 2020-01-14T08:30:15Z
dc.date.available 2020-01-14T08:30:15Z
dc.date.issued 2019
dc.description.abstract Results from studies evaluating potential effects of prenatal exposure to radio-frequency electromagnetic fields from cell phones on birth outcomes have been inconsistent. Using data on 55,507 pregnant women and their children from Denmark (1996-2002), the Netherlands (2003-2004), Spain (2003-2008), and South Korea (2006-2011), we explored whether maternal cell-phone use was associated with pregnancy duration and fetal growth. On the basis of self-reported number of cell-phone calls per day, exposure was grouped as none, low (referent), intermediate, or high. We examined pregnancy duration (gestational age at birth, preterm/postterm birth), fetal growth (birth weight ratio, small/large size for gestational age), and birth weight variables (birth weight, low/high birth weight) and meta-analyzed cohort-specific estimates. The intermediate exposure group had a higher risk of giving birth at a lower gestational age (hazard ratio = 1.04, 95% confidence interval: 1.01, 1.07), and exposure-response relationships were found for shorter pregnancy duration (P < 0.001) and preterm birth (P = 0.003). We observed no association with fetal growth or birth weight. Maternal cell-phone use during pregnancy may be associated with shorter pregnancy duration and increased risk of preterm birth, but these results should be interpreted with caution, since they may reflect stress during pregnancy or other residual confounding rather than a direct effect of cell-phone exposure.
dc.description.sponsorship The Generalized EMF Research Using Novel Methods (GERoNiMO) Project was supported by the European Union (grant 603794). The Amsterdam Born Children and Their Development Study (ABCD) was supported by the Netherlands Organization for Health Research and Development (grant 2100.0076) and the Electromagnetic Fields and Health Research program (grants 85600004 and 85800001). The Danish National Birth Cohort Study (DNBC) was supported by the Danish Epidemiology Science Centre, the Lundbeck Foundation (grant 195/04), the Egmont Foundation, the March of Dimes Birth Defect Foundation, the Augustinus Foundation, and the Medical Research Council (grant SSVF 0646). The Spanish Environment and Childhood Project (INMA) was supported by the European Union (grants FP7-ENV-2011, 282957, and HEALTH.2010.2.4.5-1); Instituto de Salud Carlos III (grants G03/176, CB06/02/0041, FIS-FEDER 03/1615, 04/1509, 04/1112, 04/1931, 05/1079, 05/1052, 06/1213, 07/0314, 09/02647, 11/01007, 11/02591, CP11/00178, FIS-PI06/0867, FIS-PS09/00090, FIS-PI041436, FIS-PI081151, FIS-PI042018, FIS-PI09/02311, FISPI13/1944, FIS-PI13/2429, FIS-PI14/0981, FIS-PI13/141687, CP13/00054 (including FEDER funds), and MS13/00054); the Conselleria de Sanitat Generalitat Valenciana; the Generalitat de Catalunya (grants CIRIT1999SGR and 00241); Obra Social Cajastur; the Universidad de Oviedo; the Department of Health of the Basque Government (grants 2005111093 and 2009111069); and the Provincial Government of Gipuzkoa (grants DFG06/004 and DFG08/001). The Korean Mothers and Children’s Environment Health Study (MOCEH) was supported by the National Institute of Environmental Research, the Ministry of the Environment, and the Information and Communication Technology (ICT) research and development program of the Ministry of Science and ICT (grants 2017-0-00961 and 2019-0-00102), South Korea.
dc.format.mimetype application/pdf
dc.identifier.citation Tsarna E, Reedijk M, Birks LE, Guxens M, Ballester F, Ha M et al . Associations of maternal cell-phone use during pregnancy with pregnancy duration and fetal growth in 4 birth cohorts. Am J Epidemiol. 2019;188(7):1270-80. DOI: 10.1093/aje/kwz092
dc.identifier.doi http://dx.doi.org/10.1093/aje/kwz092
dc.identifier.issn 0002-9262
dc.identifier.uri http://hdl.handle.net/10230/43269
dc.language.iso eng
dc.publisher Oxford University Press
dc.relation.ispartof American Journal of Epidemiology. 2019;188(7):1270-80
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/603794
dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/282957
dc.rights © The Author(s) 2019. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journalpermissions@oup.com.
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.rights.uri http://creativecommons.org/licenses/by-nc/4.0
dc.subject.keyword Birth outcomes
dc.subject.keyword Cell phones
dc.subject.keyword Exposure
dc.subject.keyword Preterm birth
dc.subject.keyword Radio-frequency electromagnetic fields
dc.title Associations of maternal cell-phone use during pregnancy with pregnancy duration and fetal growth in 4 birth cohorts
dc.type info:eu-repo/semantics/article
dc.type.version info:eu-repo/semantics/publishedVersion

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