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Fish intake during pregnancy, fetal growth, and gestational length in 19 European birth cohort studies

2013; Elsevier BV; Volume: 99; Issue: 3 Linguagem: Inglês

10.3945/ajcn.113.067421

1938-3207

Vasiliki Leventakou, Theano Roumeliotaki, David Martínez, Henrique Barros, Anne Lise Brantsæter, Maribel Casas, Marie‐Aline Charles, Sylvaine Cordier, Merete Eggesbø, Manon van Eijsden, Francesco Forastiere, Ulrike Gehring, Eva Govarts, Þórhallur I. Halldórsson, Wojciech Hanke, Margaretha Haugen, Denise H. M. Heppe, Barbara Heude, Hazel Inskip, Vincent WV Jaddoe, Maria Jansen, Cecily Kelleher, Helle Margrete Meltzer, Franco Merletti, Carolina Moltó-Puigmartí, Monique Mommers, Mario Murcia, Andréia Oliveira, Sjúrður F. Olsen, Fabienne Pelé, Kinga Polańska, Daniela Porta, Lorenzo Richiardi, Siân Robinson, Hein Stigum, Marin Strøm, Jordi Sunyer, Carel Thijs, Karien Viljoen, Tanja G. M. Vrijkotte, Alet H. Wijga, Manolis Kogevinas, Martine Vrijheid, Leda Chatzi,

Gestational Diabetes Research and Management

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 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.