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Published on: February 9, 2024
The Association Between In Utero Exposure to Painkillers and Trajectories of Hyperactivity and Emotional Problems in
Ping-I Lin1,2, Kyi Shinn Khin1, James R John1,3
1Discipline of Psychiatry and Mental Health, School of Clinical Medicine, University of New South Wales, Sydney, NSW 2033, Australia.
Insights
Prenatal painkiller exposure did not impact hyperactivity or emotional issues in children with autism spectrum disorder (ASD). However, it was linked to increased emotional problems in neurotypical children, especially boys.
Area of Science:
- Neurodevelopmental Disorders
- Pediatric Psychology
- Prenatal Health
Background:
- Concerns exist regarding in utero painkiller exposure and neurodevelopmental disorders like autism spectrum disorder (ASD).
- Investigating the impact of prenatal painkiller exposure on hyperactivity and emotional problems in children with and without ASD.
Purpose of the Study:
- To examine the association between in utero painkiller exposure and developmental trajectories of hyperactivity and emotional problems.
- To differentiate effects in children diagnosed with ASD versus neurotypical children.
Main Methods:
- Utilized data from 5107 participants in the Longitudinal Study of Australian Children.
- Assessed emotional and behavioral problems using the Strengths and Difficulties Questionnaire at ages 4, 6, and 8.
- Employed mixed linear models to analyze the impact of prenatal painkiller exposure on hyperactivity and emotional problem trajectories, controlling for covariates.
Main Results:
- No significant association found between in utero painkiller exposure and hyperactivity or emotional problem trajectories in children with ASD.
- In neurotypical children, prenatal painkiller exposure correlated with increased emotional problems by age 8, particularly in males.
- Emotional problem scores generally increased over time, indicating developmental challenges in early childhood.
Conclusions:
- Prenatal painkiller exposure is unlikely a primary factor in neurodevelopmental outcomes for autistic children.
- The impact of prenatal painkiller exposure on neurodevelopmental outcomes in neurotypical children requires further investigation.
- Future research should focus on precise exposure assessments and multi-environment interactions to understand long-term effects.
Abstract:
Background/Objectives: In utero exposure to painkillers has raised concerns regarding its potential impact on neurodevelopmental disorders, such as autism spectrum disorder (ASD). This study investigates the association between in utero exposure to painkillers and trajectories of hyperactivity and emotional problems in children with and without ASD, separately. Methods: Data were drawn from 5107 participants enrolled in the Longitudinal Study of Australian Children. Emotional and behavioral problems were assessed using the Strengths and Difficulties Questionnaire at ages 4, 6, and 8 years. ASD diagnosis was determined based on parental self-report by age 12. To examine the association between the exposure and the outcomes, mixed linear models were applied to assess the impact of in utero exposure to painkillers on hyperactivity and emotional problems, controlling for sex, time, and other perinatal risk factors. The interaction term between exposure and time was included to evaluate the effect of exposure on the trajectory over time. Results: In utero exposure to painkillers did not significantly affect hyperactivity or emotional problem trajectories in children with ASD. However, in non-ASD children, painkiller exposure was associated with worsening emotional problems by age 8, with males being affected to a greater extent than females. Further, emotional problem scores increased over time by gender, reflecting developmental challenges in early childhood. Conclusions: These findings indicate that prenatal painkiller exposure is unlikely to be a major determinant of the severity of neurodevelopmental outcomes in autistic children, but its role in neurodevelopmental outcomes among neurotypical children warrants further investigation. Future research should prioritize precise exposure assessments and integrate multi-environment interactions to further elucidate the long-term impacts of prenatal painkiller use.
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