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Effects of n-3 Long-Chain Polyunsaturated Fatty Acid Supplementation during Pregnancy and/or Lactation on Neurodevelopment and Visual Function in Children: A Systematic Review of Randomized Controlled Trials.
MedLine Citation:
PMID:  21504971     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVE: To systematically evaluate the effects of n-3 long-chain polyunsaturated fatty acids (n-3 LCPUFA) supplementation of pregnant and/or lactating women on the neurodevelopment and visual function of their children.
METHODS: Systematic review. Randomized controlled trials (RCTs) comparing n-3 LCPUFA maternal supplementation were identified through electronic databases (MEDLINE, EMBASE, the Cochrane Library) and the references of reviewed articles.
RESULTS: Overall, 13 publications, some with important methodological limitations, were included. With regard to supplementation during pregnancy, among 3 RCTs that evaluated this intervention, 1 RCT (n  =  72) showed significantly better eye and hand coordination assessed with the Griffiths Mental Development Scales at 30 months of age. Another RCT (n  =  29) demonstrated an effect of n-3 LCPUFA supplementation on the cloth step of intentional solutions of the 2-step problem-solving test. No other effects were demonstrated. There was no consistent effect of n-3 LCPUFA supplementation during pregnancy on the children's visual acuity. With regard to supplementation during lactation, among 3 RCTs that assessed this intervention, 1 RCT (n  =  133) showed significant improvement on the Bayley Psychomotor Development Index in 30-month-old children; however, there was no influence of such supplementation on the results of different tests performed in the same group of children or in others. There was no consistent effect of n-3 LCPUFA supplementation during lactation on the children's visual function. Supplementation during pregnancy and lactation (3 RCTs) did not affect child neurodevelopment assessed up to 7 years of age.
CONCLUSION: Evidence from RCTs does not demonstrate a clear and consistent benefit of n-3 LCPUFA supplementation during pregnancy and/or lactation on child neurodevelopment and visual acuity. These results should be interpreted with caution due to methodological limitations of the included studies.
Authors:
Piotr Dziechciarz; Andrea Horvath; Hania Szajewska
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American College of Nutrition     Volume:  29     ISSN:  1541-1087     ISO Abbreviation:  J Am Coll Nutr     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2011-04-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8215879     Medline TA:  J Am Coll Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  443-54     Citation Subset:  IM    
Affiliation:
Department of Paediatrics, The Medical University of Warsaw, Dzialdowska 1, 01-184 Warsaw, POLAND, hania@ipgate.pl.
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