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Clinical Features of Typically Developing Children with and without Prenatal Alcohol Exposure
Philip A May1, Barbara Tabachnick2, Julie M Hasken3
1The University of North Carolina at Chapel Hill, Nutrition Research Institute, Chapel Hill, NC; Faculty of Medicine and Health Sciences, Department of Psychiatry, Stellenbosch University, Cape Town, South Africa; The University of New Mexico, Center on Alcohol, Substance Use, and Addictions, Albuquerque, NM.
The Journal of Pediatrics
|October 2, 2024
Summary
Prenatal alcohol exposure (PAE) can impact children's physical growth and cognitive/behavioral development, even if they appear to be developing typically. Abstinence during pregnancy is crucial for optimal child outcomes.
Area of Science:
- Neuroscience
- Developmental Psychology
- Public Health
Background:
- Prenatal alcohol exposure (PAE) is a significant concern with potential long-term effects on child development.
- Fetal Alcohol Spectrum Disorders (FASD) encompass a range of outcomes, but subclinical effects of PAE are less understood.
- Assessing physical and cognitive/behavioral impacts in children without diagnosed FASD is crucial for understanding the full spectrum of PAE effects.
Purpose of the Study:
- To investigate the physical and cognitive/behavioral outcomes in first-grade children with varying levels of prenatal alcohol exposure.
- To compare children with diagnosed FASD, children with PAE but no FASD, and children with no PAE.
- To identify subtle developmental differences associated with PAE in children who meet typical developmental norms.
Main Methods:
- A comparative study design involving three groups: children with FASD, children with PAE without FASD, and a control group without PAE.
- Statistical analyses included multivariate ANCOVA, controlling for socioeconomic covariates.
- Physical measurements (height, weight, BMI, OFC, palpebral fissure length) and neurobehavioral assessments were conducted.
Main Results:
- Significant differences were observed across the three groups in most physical traits and some neurodevelopmental traits.
- Children with PAE (even without FASD) showed statistically significant differences in height, weight, BMI, and palpebral fissure length compared to unexposed children.
- While three-group comparisons revealed significant cognitive/behavioral differences (P < .001), two-group comparisons for children without FASD were not significant (P ≥ .05).
- Trend plots indicated poorer growth and cognitive/behavioral traits in exposed children, including nonverbal IQ and attention.
Conclusions:
- Prenatal alcohol exposure is associated with subtle negative trends in physical growth and cognitive/behavioral development, even in children without diagnosed FASD.
- These findings underscore the importance of complete abstinence from alcohol during pregnancy.
- Even children meeting developmental norms may exhibit underlying effects from PAE, highlighting the need for continued research and awareness.
Keywords:
South Africachild growth and developmentfetal alcohol spectrum disordersprenatal alcohol exposureMore Related Videos
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