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Updated: Jun 4, 2026

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes
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Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes

Published on: June 28, 2024

Does prenatal micronutrient supplementation improve children's mental development? A systematic review.

Brenda M Y Leung1, Kristin P Wiens, Bonnie J Kaplan

  • 1Dept of Community Health Sciences, Faculty of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada. bleun@ucalgary.ca

BMC Pregnancy and Childbirth
|February 5, 2011
PubMed
Summary

Maternal micronutrient supplementation during pregnancy shows some promise for infant mental development, particularly with n-3 fatty acids or multiple nutrients. However, evidence for single nutrients remains weak, necessitating further research.

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Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
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Published on: August 25, 2014

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Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes
03:19

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Published on: June 28, 2024

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

Area of Science:

  • Perinatal nutrition
  • Developmental neuroscience
  • Evidence-based medicine

Background:

  • Maternal nutrition significantly impacts fetal development, including brain development.
  • The precise effects of prenatal micronutrient supplementation on offspring cognitive function are debated.
  • This systematic review examines the impact of single and multiple micronutrient supplementation during pregnancy on child mental development.

Purpose of the Study:

  • To systematically review the existing literature on prenatal micronutrient supplementation and its effects on offspring mental development.
  • To assess the evidence for both single and multiple micronutrient interventions.
  • To identify areas for future research in this field.

Main Methods:

  • A systematic literature search was conducted across eleven electronic databases.
  • Inclusion criteria were applied independently by two reviewers to retrieved articles.
  • Study quality was assessed using the CONSORT checklist, with a median score of 15.

Main Results:

  • Eighteen randomized controlled trials (RCTs) published between 1983 and 2010 met the inclusion criteria.
  • Significant heterogeneity in sample sizes, interventions, and outcome measures was observed across studies.
  • No conclusive evidence linked intrauterine environment enhancement via micronutrient supplementation to broad child mental development outcomes; however, some positive effects were suggested for n-3 fatty acids and multi-micronutrients, while evidence for single nutrients was weaker.

Conclusions:

  • Research on prenatal supplementation's impact on children's mental outcomes is an emerging field.
  • The findings suggest a need for further investigation into the effects of multiple micronutrients and n-3 fatty acids.
  • Future studies should focus on standardized interventions and outcome measures to clarify the role of prenatal nutrition in cognitive development.