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Effects of prenatal and/or postnatal supplementation with iron, PUFA or folic acid on neurodevelopment: update
Department of Paediatrics, The Medical University of Warsaw, Dzialdowska 1, Warsaw 01-184, Poland.
Department of Paediatrics, The Medical University of Warsaw, Dzialdowska 1, Warsaw 01-184, Poland.
Department of Paediatrics, The Medical University of Warsaw, Dzialdowska 1, Warsaw 01-184, Poland.
Department of Paediatrics, The Medical University of Warsaw, Dzialdowska 1, Warsaw 01-184, Poland.
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2019 (English)In: British Journal of Nutrition, ISSN 0007-1145, E-ISSN 1475-2662, Vol. 122, no s1, p. S10-S15Article in journal (Refereed) Published
Abstract [en]

Neurodevelopment has been linked, among other factors, to maternal and early infant diets. The objective of this review, which is part of the NUTRIMENTHE research project 'The effect of diet on the mental performance of children' (www.nutrimenthe.com), was to update current evidence on the effects of nutritional interventions such as iron, folic acid or n-3 long-chain polyunsaturated fatty acid (LCPUFA) supplementation during pregnancy and/or in early life on the mental performance and psychomotor development of children. In May 2014, we searched MEDLINE and The Cochrane Database of Systematic Reviews for relevant studies published since 2009. The limited updated evidence suggests that iron supplementation of infants may positively influence the psychomotor development of children, although it does not seem to alter their mental development or behaviour. The use of multivitamin-containing folic acid supplements during pregnancy did not benefit the mental performance of the offspring. Evidence from randomised controlled trials (RCT) did not show a clear and consistent benefit of n-3 LCPUFA supplementation during pregnancy and/or lactation on childhood cognitive and visual development. Caution is needed when interpreting current evidence, as many of the included trials had methodological limitations such as small sample sizes, high attrition rates, and no intention-to-treat analyses. Taken together, the evidence is still inconclusive. Large, high-quality RCT to assess the effects of supplementation with iron, LCPUFA or folic acid are still needed to further clarify the effects of these, and other nutrients, on neurodevelopment. Recent recommendations from scientific societies are briefly presented.

Place, publisher, year, edition, pages
2019. Vol. 122, no s1, p. S10-S15
Keywords [en]
Folic acid, Iron, Neurodevelopment, PUFA
National Category
Pediatrics
Identifiers
URN: urn:nbn:se:umu:diva-170786DOI: 10.1017/S0007114514004243PubMedID: 31638499OAI: oai:DiVA.org:umu-170786DiVA, id: diva2:1430497
Available from: 2020-05-15 Created: 2020-05-15 Last updated: 2020-05-15Bibliographically approved

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