Study Finds Children with Autistic Sibling Face High Risk

The largest new study was conducted across the U.S., Canada and Israel on younger siblings of children with Autism in an effort to uncover more information on the genetic component to the disorder.

Researchers found that the second child runs of risk of 19% in developing the disorder. The risk rises if the second child is boy, with the likelihood of a one in four chance. In comparison, if the second child is a girl the re-occurrence rate is 9%. 664 infants participated in the study, each with at least one sibling diagnosed with Autism. The infants were monitored from 6-8 months of age to 3 years.

The findings further steer Scientists to focus on the genetics of autism and pinpointing the specific chromosomal abnormality.