What is it about?

We screened 201 siblings (aged 2-14 years) of 129 children with autism attending our Child Development Center. After a two-stage evaluation including two independent experts, we found 4.97% (nearly 1 in 20) of the siblings to have sufficient features to be diagnosed as autism (as per DSM-4 diagnosis).

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Why is it important?

This high risk of autism in siblings is important, because we found that certain behavioral features in siblings (determined using a simple Child Behavior Checklist tool) could point out those with higher risk of autism. Young age of father at conception was identified as another risk factor.


This study showed that robust methodology and diligent work will provide reliable Indian data, which could also be used for other resource-constrained settings.

Dr Devendra Mishra
Maulana Azad Medical College

Read the Original

This page is a summary of: Prevalence of Autism Spectrum Disorders in Siblings of Indian Children With Autism Spectrum Disorders, Journal of Child Neurology, January 2016, SAGE Publications,
DOI: 10.1177/0883073815624764.
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