Babies born weighing more than 9lb 14oz or under 5lb 5oz have a higher of developing autism

Babies born either very small or very large have a higher risk of developing autism, according to the largest ever study into the issue.

Researchers found that bigger babies - those born weighing over 9lb 14oz (4.5kg) - showed a higher incidence of autism, as did smaller infants who were born weighing less than 2.5kg or 5lb 5oz.

It is the first time that a clear link has been made between babies who grow to above average size at birth and risk of Autism Spectrum Disorder (ASD).

Read more: http://www.dailymail.co.uk/health/article-2317654/Babies-born-weighing-9lb-14oz-5lb-5oz-higher-developing-autism.html#ixzz2S4jelpjc