According to a new study, children with older siblings who are on the spectrum may have a higher risk of developing autism than previously thought. The study found the ASD recurrence risk in younger siblings was almost 19%, and in families with multiple kids on the spectrum, it was about 32%.
Read “Brothers” https://autismdad1966.wordpress.com/2011/01/05/autism-dad-brothers/
Source Material: http://thechart.blogs.cnn.com/2011/08/15/more-evidence-shows-autism-raises-risk-for-later-siblings/?hpt=hp_t2
