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Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats
Published on: December 14, 2014
Low-moderate prenatal alcohol exposure and risk to child behavioural development: a prospective cohort study
M Robinson1, W H Oddy, N J McLean
1Telethon Institute for Child Health Research, Centre for Child Health Research, Perth, Australia.
Insights
Light to moderate alcohol consumption during pregnancy was not associated with adverse child behavioral development. This study found no increased risk for behavioral problems in children exposed to light-moderate drinking during early pregnancy.
Area of Science:
- Obstetrics and Gynecology
- Developmental Psychology
- Public Health
Background:
- Prenatal alcohol exposure is a significant concern for child development.
- Understanding the impact of varying levels of alcohol consumption during pregnancy is crucial for public health guidance.
Purpose of the Study:
- To investigate the association between fetal alcohol exposure during pregnancy and behavioral development in children and adolescents.
- To determine if light to moderate alcohol consumption in early pregnancy poses a risk for behavioral issues.
Main Methods:
- Longitudinal regression models analyzed data from the Western Australian Pregnancy Cohort (Raine) Study (n=2900).
- Maternal alcohol intake was categorized (none, occasional, light, moderate, heavy) during gestation.
- Child behavior was assessed using the Child Behaviour Checklist (CBCL) over 14 years.
Main Results:
- Light (2-6 drinks/week) and moderate (7-10 drinks/week) alcohol consumption in the first trimester was linked to positive behavioral outcomes.
- These outcomes included clinically meaningful reductions in total, internalizing, and externalizing behavioral problems over 14 years.
- Adjustments were made for maternal and sociodemographic confounders.
Conclusions:
- Light to moderate alcohol consumption during the first trimester of pregnancy is not implicated as a risk factor for child behavioral problems.
- Findings suggest that low-level alcohol intake in early pregnancy may not negatively impact long-term behavioral development.
- This research contributes to the understanding of fetal alcohol exposure and its epidemiological impact on child behavior.
Objective:
To examine the association of fetal alcohol exposure during pregnancy with child and adolescent behavioural development.
Design:
The Western Australian Pregnancy Cohort (Raine) Study recruited 2900 pregnancies (1989-91) and the 14-year follow up was conducted between 2003 and 2006.
Setting:
Tertiary obstetric hospital in Perth, Western Australia.
Population:
The women in the study provided data at 18 and 34 weeks of gestation on weekly alcohol intake: no drinking, occasional drinking (up to one standard drink per week), light drinking (2-6 standard drinks per week), moderate drinking (7-10 standard drinks per week), and heavy drinking (11 or more standard drinks per week). Methods Longitudinal regression models were used to analyse the effect of prenatal alcohol exposure on Child Behaviour Checklist (CBCL) scores over 14 years, assessed by continuous z-scores and clinical cutoff points, after adjusting for confounders.
Main Outcome Measure:
Their children were followed up at ages 2, 5, 8, 10 and 14 years. The CBCL was used to measure child behaviour.
Results:
Light drinking and moderate drinking in the first 3 months of pregnancy were associated with child CBCL z-scores indicative of positive behaviour over 14 years after adjusting for maternal and sociodemographic characteristics. These changes in z-score indicated a clinically meaningful reduction in total, internalising and externalising behavioural problems across the 14 years of follow up.
Conclusions:
Our findings do not implicate light-moderate consumption of alcohol in pregnancy as a risk factor in the epidemiology of child behavioural problems.
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