Wednesday, September 24, 2014

Higher Risk of Autism Found in Children Born at Short and Long Interpregnancy Intervals

http://www.elsevier.com/about/press-releases/research-and-journals/higher-risk-of-autism-found-in-children-born-at-short-and-long-interpregnancy-intervals

Sept. 24, 2014

A study published in the MONTH 2014 issue of the Journal of the American Academy of Child and Adolescent Psychiatry found that children who were conceived either less than 1 year or more than 5 years after the birth of their prior sibling were more likely to be diagnosed with autism than children conceived following an interval of 2-5 years.

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The study found that the risk of an autism diagnosis among children conceived less than 12 months following a sibling's birth was one and a half times as high as those conceived following an interval of 24-59 months. Children conceived following an interval of 60-120 months were almost 30% more likely to be diagnosed with autism. For intervals of more than 120 months, the risk of autism was over 40% higher.

The analysis accounted for certain factors that might explain the association, such as parents' age, prior number of children, and parental history of psychiatric disorders.

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