Physical activity during pregnancy and offspring neurodevelopment and IQ in the first 4 years of life

Marlos R Domingues1, Alicia Matijasevich2, Aluísio J D Barros3

  • 1Sports Department, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil.

Plos One
|October 29, 2014
PubMed

Insights

Maternal physical activity during pregnancy is linked to better cognitive development in children. Active mothers

Area of Science:

  • Pediatrics
  • Neuroscience
  • Public Health

Background:

  • Maternal physical activity during pregnancy is a modifiable factor with potential implications for offspring neurodevelopment.
  • Understanding the relationship between maternal exercise and child cognitive outcomes is crucial for public health recommendations.
  • Existing research suggests a link, but further investigation is needed to clarify the extent and timing of these effects.

Purpose of the Study:

  • To investigate the association between maternal physical activity during pregnancy and neurodevelopmental outcomes in children.
  • To evaluate the impact of maternal exercise on children's cognitive abilities, specifically IQ and overall development.
  • To determine if maternal physical activity influences neurodevelopment from infancy through early childhood.

Main Methods:

  • A birth cohort study followed children from birth to 48 months of age.
  • Maternal physical activity was assessed retrospectively, and neurodevelopment was evaluated using the Battelle's Development Inventory and IQ using the Weschler's Intelligence Scale.
  • Statistical analyses controlled for potential confounding factors including socioeconomic status, maternal characteristics, and neonatal factors.

Main Results:

  • Children born to mothers who were physically active during pregnancy showed higher Battelle's scores at 12 and 24 months.
  • A crude analysis indicated a slight increase in IQ at 48 months among children of active mothers.
  • After adjusting for confounders, a positive association was observed between maternal physical activity and neurodevelopment at 12 months, but not at 48 months.

Conclusions:

  • Maternal physical activity during pregnancy does not appear to negatively impact children's neurodevelopment.
  • Offspring of physically active mothers demonstrated enhanced cognitive performance at 12 months of age.
  • The findings suggest a potential benefit of maternal exercise on early childhood neurodevelopment, particularly in the first year of life.
Abstract

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