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dc.contributor.author Dadvand, Payam
dc.contributor.author Basagaña Flores, Xavier
dc.contributor.author Sartini, Claudio
dc.contributor.author Figueras, Francesc
dc.contributor.author Vrijheid, Martine
dc.contributor.author De Nazelle, Audrey
dc.contributor.author Sunyer Deu, Jordi
dc.contributor.author Nieuwenhuijsen, Mark J.
dc.date.accessioned 2015-04-08T10:14:54Z
dc.date.available 2015-04-08T10:14:54Z
dc.date.issued 2011
dc.identifier.citation Dadvand P, Basagana X, Sartini C, Figueras F, Vrijheid M, de Nazelle A, Sunyer J, Nieuwenhuijsen MJ. Climate extremes and the length of gestation. Environmental Health Perspectives. 2011; 119(10): 1449-1453. DOI 10.1289/ehp.1003241
dc.identifier.issn 0091-6765
dc.identifier.uri http://hdl.handle.net/10230/23356
dc.description.abstract Background: Although future climate is predicted to have more extreme heat conditions, the available evidence on the impact of these conditions on pregnancy length is very scarce and inconclusive. Objectives: We investigated the impact of maternal short-term exposure to extreme ambient heat on the length of pregnancy. Methods: This study was based on a cohort of births that occurred in a major university hospital in Barcelona during 2001–2005. Three indicators of extreme heat conditions based on 1-day exposure to an unusually high heat–humidity index were applied. Each mother was assigned the measures made by the meteorological station closest to maternal residential postcodes. A two-stage analysis was developed to quantify the change in pregnancy length after maternal exposure to extreme heat conditions adjusted for a range of covariates. The second step was repeated for lags 0 (delivery date) to 6 days. Results: We included data from 7,585 pregnant women in our analysis. We estimated a 5-day reduction in average gestational age at delivery after an unusually high heat–humidity index on the day before delivery. Conclusion: Extreme heat was associated with a reduction in the average gestational age of children delivered the next day, suggesting an immediate effect of this exposure on pregnant women. Further studies are required to confirm our findings in different settings.
dc.description.sponsorship P.D. is funded by a Juan de la Cierva fellowship (JCI-2011-09937) from the Spanish Ministry of Science and Innovation
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher National Institute of Environmental Health Sciences (NIEHS)
dc.relation.ispartof Environmental Health Perspectives. 2011; 119(10): 1449-1453
dc.rights Reproduced with permission from Environmental Health Perspectives
dc.subject.other Infeccions respiratòries en els infants
dc.subject.other Salut ambiental
dc.subject.other Contaminació -- Aspectes ambientals
dc.title Climate extremes and the length of gestation
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1289/ehp.1003241
dc.subject.keyword Climate
dc.subject.keyword Climate change
dc.subject.keyword Gestational age
dc.subject.keyword Global warming
dc.subject.keyword Hot temperature
dc.subject.keyword Perinatal mortality
dc.subject.keyword Pregnancy outcome
dc.subject.keyword Preterm birth
dc.relation.projectID info:eu-repo/grantAgreement/ES/3PN/JCI2011-09937
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion


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