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Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes
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Author Spotlight: Studying the Impact of Maternal Dietary Deficiencies on Long-Term Offspring Health Outcomes

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Gestational Vitamin 25(OH)D Status as a Risk Factor for Receptive Language Development: A 24-Month, Longitudinal,

Frances A Tylavsky1,2, Mehmet Kocak3, Laura E Murphy4,5

  • 1Department of Preventive Medicine, University of Tennessee Health Science Center, 66 N. Pauline Street, Memphis, TN 38163-2181, USA. ftylavsky@uthsc.edu.

Nutrients
|December 4, 2015
PubMed
Summary
This summary is machine-generated.

Maternal vitamin D levels during pregnancy are linked to child development. Higher gestational vitamin D (25(OH)D) is associated with better receptive language skills in early childhood.

Keywords:
CANDLE studycognitive developmentgestationlanguage developmentprenatal nutritionvitamin D

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Public Health

Background:

  • Emerging research indicates a connection between vitamin D status in children and adolescents and their neurocognitive development.
  • Gestational vitamin D sufficiency is increasingly recognized as a critical factor for optimal fetal development.

Purpose of the Study:

  • To examine the association between maternal vitamin D levels during pregnancy (gestational 25-hydroxyvitamin D or 25(OH)D) and cognitive and language development in early childhood.
  • To determine if maternal 25(OH)D status in the second trimester influences receptive language, expressive language, and cognitive abilities in offspring.

Main Methods:

  • The study utilized data from the Conditions Affecting Neurocognitive Development and Learning in Early Childhood (CANDLE) study, including 1020 mother-child dyads.
  • Maternal serum 25(OH)D levels were measured during the second trimester of pregnancy.
  • Cognitive and language development were assessed in early childhood, with statistical analyses controlling for potential confounders like socioeconomic status and gestational age.

Main Results:

  • A significant proportion of pregnant women (41.7%) had insufficient vitamin D levels (<20 ng/dL).
  • Cognitive and language scores showed a dose-response relationship, increasing with higher levels of maternal 25(OH)D.
  • After adjusting for covariates, higher gestational 25(OH)D was significantly associated with enhanced receptive language development (p < 0.017), but not cognitive or expressive language.

Conclusions:

  • Maternal vitamin D status during pregnancy is a potentially modifiable factor influencing early childhood development.
  • Ensuring adequate maternal vitamin D levels may support the development of crucial receptive language skills in children.
  • Further research is warranted to explore the mechanisms linking gestational vitamin D to neurodevelopmental outcomes.