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

Vasiliki Leventakou Theano Roumeliotaki David Martinez Henrique Barros 1 Anne-Lise Brantsaeter Maribel Casas 2 Marie-Aline Charles Sylvaine Cordier 3 Merete Eggesbø 4 Manon van Eijsden 5 Francesco Forastiere Ulrike Gehring 6 Eva Govarts Thorhallur I Halldórsson Wojciech Hanke Margaretha Haugen Denise H M Heppe Barbara Heude 7 Hazel M Inskip Vincent W V Jaddoe 8, 9 Maria Jansen Cecily Kelleher 10 Helle Margrete Meltzer 11 Franco Merletti 12 Carolina Moltó-Puigmartí Monique Mommers Mario Murcia 13 Andreia Oliveira Sjúrður F Olsen Fabienne Pele 3 Kinga Polanska 14 Daniela Porta 15 Lorenzo Richiardi 16 Siân M Robinson 17 Hein Stigum Marin Strøm Jordi Sunyer 18, 19 Carel Thijs 20 Karien Viljoen Tanja G M Vrijkotte 21 Alet H Wijga Manolis Kogevinas 18, 19 Martine Vrijheid 2 Leda Chatzi
Abstract : 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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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01118513
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Submitted on : Thursday, February 19, 2015 - 11:38:03 AM
Last modification on : Wednesday, October 14, 2020 - 4:00:27 AM

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Vasiliki Leventakou, Theano Roumeliotaki, David Martinez, Henrique Barros, Anne-Lise Brantsaeter, et al.. Fish intake during pregnancy, fetal growth, and gestational length in 19 European birth cohort studies.. The American Journal of Clinical Nutrition, 2014, 99 (3), pp.506-16. ⟨10.3945/ajcn.113.067421⟩. ⟨hal-01118513⟩

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