Fish intake during pregnancy, fetal growth, and gestational length in 19 European birth cohort studies. - Université de Rennes Access content directly
Journal Articles The American Journal of Clinical Nutrition Year : 2014

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

Vasiliki Leventakou
  • Function : Author
Theano Roumeliotaki
  • Function : Author
David Martinez
  • Function : Author
Anne-Lise Brantsaeter
  • Function : Author
Marie-Aline Charles
Francesco Forastiere
Ulrike Gehring
Eva Govarts
  • Function : Author
Thorhallur I Halldórsson
  • Function : Author
Wojciech Hanke
  • Function : Author
Margaretha Haugen
  • Function : Author
Denise H M Heppe
  • Function : Author
Hazel M Inskip
  • Function : Author
Maria Jansen
  • Function : Author
Carolina Moltó-Puigmartí
  • Function : Author
Monique Mommers
  • Function : Author
Andreia Oliveira
  • Function : Author
Sjúrður F Olsen
  • Function : Author
Hein Stigum
  • Function : Author
Marin Strøm
  • Function : Author
Karien Viljoen
  • Function : Author
Alet H Wijga
  • Function : Author
Martine Vrijheid
Leda Chatzi
  • Function : Author

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.

Dates and versions

hal-01118513 , version 1 (19-02-2015)

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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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