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Prenatal and birth complications in autism
M Brimacombe1, X Ming, M Lamendola
1Department of Preventive Medicine, New Jersey Medical School - UMDNJ, Newark, NJ, USA. brimacmb@umdnj.edu
Maternal and Child Health Journal
|October 21, 2006
Summary
Prenatal and birth complications may increase autism risk. This study found higher rates of certain prenatal factors in families of autistic children, suggesting a link to autism onset.
Area of Science:
- Neurodevelopmental Disorders
- Pediatric Health
- Genetics and Epigenetics
Background:
- Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition.
- Identifying early risk factors is crucial for understanding ASD etiology.
- Prenatal and birth histories are investigated for potential associations with ASD onset.
Purpose of the Study:
- To examine prenatal and birth history as potential risk factors for autism.
- To investigate the prevalence of specific prenatal and birth complications in a cohort of autistic children.
Main Methods:
- A cohort study of 164 families with autistic children was conducted.
- Prenatal and birth history information was collected at intake.
- Clinical review of obtained historical data was performed.
Main Results:
- Higher prevalence rates of vaginal bleeding, prolonged labor, and prematurity were observed in the cohort.
- Clustering of multiple prenatal risk factors was identified.
- This clustering correlated with maternal age but not birth order.
Conclusions:
- Findings support the hypothesis that prenatal systemic issues represent a distinct risk dimension for autism.
- Prenatal complications may play a significant role in the developmental trajectory leading to autism.
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