If parents notice any losses in a child's vocabulary or social skills, or the child seems to have stopped progressing, they should have the child evaluated by a pediatrician right away, all of the experts stressed.
"What we do know is that the earlier we identify children who may be at risk for autism and provide early intervention, the better the prognosis and the more likely you are to have better outcomes," Shih said.
Visit the Interactive Autism Network for more on autism.
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