The Facts:
* Seafood is a major source of omega-3 fatty acids (vital for neural development) but pregnant women in the US are advised to limit its consumption because of the risk of harm from trace contaminants.
* A questionnaire study of 11,875 pregnant women showed that maternal seafood consumption >340g per week was beneficial to child development.
* Advice to limit seafood intake during pregnancy could actually be detrimental to the child.
Shaun’s comment: Research published in The Lancet is usually of the highest quality and importance, and this study is no different. It is well known that fatty acids are needed for healthy brain development and so this huge questionnaire study looked at maternal fish intake during pregnancy and health outcomes for the child, including intelligence, social skills and communication. 340g of seafood consumption per week was associated with better outcomes for the children. Those worried about the risks from trace contaminants found in fish could consider taking a supplement instead.
Study reference:
http://dx.doi.org/10.1016/S0140-6736(07)60277-3
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