Fish intake during pregnancy, fetal growth, and gestational length in 19 European birth cohort studies.
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Authors
Leventakou, VasilikiRoumeliotaki, Theano
Martinez, David
Barros, Henrique
Brantsaeter, Anne-Lise
Casas, Maribel
Charles, Marie-Aline
Cordier, Sylvaine
Eggesbø, Merete
van Eijsden, Manon
Forastiere, Francesco
Gehring, Ulrike
Govarts, Eva
Halldórsson, Thorhallur I
Hanke, Wojciech
Haugen, Margaretha
Heppe, Denise H M
Heude, Barbara
Inskip, Hazel M
Jaddoe, Vincent W V
Jansen, Maria
Kelleher, Cecily
Meltzer, Helle Margrete
Merletti, Franco
Moltó-Puigmartí, Carolina
Mommers, Monique
Murcia, Mario
Oliveira, Andreia
Olsen, Sjúrður F
Pele, Fabienne
Polanska, Kinga
Porta, Daniela
Richiardi, Lorenzo
Robinson, Siân M
Stigum, Hein
Strøm, Marin
Sunyer, Jordi
Thijs, Carel
Viljoen, Karien
Vrijkotte, Tanja G M
Wijga, Alet H
Kogevinas, Manolis
Vrijheid, Martine
Chatzi, Leda
Issue Date
2014-03
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Am. J. Clin. Nutr. 2014, 99 (3):506-16Abstract
Fish is a rich source of essential nutrients for fetal development, but in contrast, it is also a well-known route of exposure to environmental pollutants.We assessed whether fish intake during pregnancy is associated with fetal growth and the length of gestation in a panel of European birth cohort studies.
The study sample of 151,880 mother-child pairs was derived from 19 population-based European birth cohort studies. Individual data from cohorts were pooled and harmonized. Adjusted cohort-specific effect estimates were combined by using a random- and fixed-effects meta-analysis.
Women who ate fish >1 time/wk during pregnancy had lower risk of preterm birth than did women who rarely ate fish (≤ 1 time/wk); the adjusted RR of fish intake >1 but <3 times/wk was 0.87 (95% CI: 0.82, 0.92), and for intake ≥ 3 times/wk, the adjusted RR was 0.89 (95% CI: 0.84, 0.96). Women with a higher intake of fish during pregnancy gave birth to neonates with a higher birth weight by 8.9 g (95% CI: 3.3, 14.6 g) for >1 but <3 times/wk and 15.2 g (95% CI: 8.9, 21.5 g) for ≥ 3 times/wk independent of gestational age. The association was greater in smokers and in overweight or obese women. Findings were consistent across cohorts.
This large, international study indicates that moderate fish intake during pregnancy is associated with lower risk of preterm birth and a small but significant increase in birth weight.
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To access publisher's full text version of this article, please click on the hyperlink in Additional Links field or click on the hyperlink at the top of the page marked Files. This article is open access.Additional Links
http://dx.doi.org/ 10.3945/ajcn.113.067421Rights
openAccessae974a485f413a2113503eed53cd6c53
10.3945/ajcn.113.067421
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