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Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats
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Alcohol consumption in a general antenatal population and child neurodevelopment at 2 years

Jane L Halliday1,2, Evelyne Muggli1,2, Sharon Lewis1,2

  • 1Public Health Genetics, Murdoch Children's Research Institute, Parkville, Victoria, Australia.

Journal of Epidemiology and Community Health
|August 26, 2017
PubMed

Insights

Prenatal alcohol exposure (PAE) may not significantly impact child neurodevelopment after accounting for confounding factors. Early binge drinking was linked to increased sensation avoidance in children.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Public Health

Background:

  • Prenatal alcohol exposure (PAE) is a widespread issue, with up to 50% of pregnant women consuming alcohol.
  • The effects of low or sporadic binge PAE on child development remain unclear.
  • This study investigates PAE's impact on neurodevelopment in a general antenatal population.

Purpose of the Study:

  • To examine the association between prenatal alcohol exposure and child neurodevelopment at two years of age.
  • To identify potential links between different patterns of PAE and specific developmental outcomes.
  • To account for environmental and social factors that may influence the PAE-child outcome relationship.

Main Methods:

  • Prospective population-based cohort study of 1570 pregnant women.
  • Collected sociodemographic, psychological, lifestyle, and alcohol use data across five trimesters.
  • Assessed child neurodevelopment using Bayley Scales, Infant/Toddler Sensory Profile, and Brief Infant Toddler Social Emotional Assessment.

Main Results:

  • Univariate analysis showed a link between low-level PAE and cognition, but this was attenuated after adjustment.
  • Early binge drinking combined with continued lower-level PAE was associated with higher sensation avoidance scores (aOR 1.88).
  • No significant associations were found between PAE and overall neurodevelopment after adjusting for confounders.

Conclusions:

  • Early binge PAE followed by lower-level exposure increased sensation-avoiding behaviors.
  • No significant associations between PAE and neurodevelopment were observed after adjusting for confounders.
  • Further follow-up is needed to detect subtle or later-onset developmental issues.
Abstract

Keywords:
alcoholcohort studiespaediatricspregnancy

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