At birth, a child with ASD often appears normal.
Symptoms may appear as early as the first year of life. But it may not be until the child is 2 or 3 years old that the parents realize something is not quite right.
Infants with autism spectrum disorder:
Symptoms vary from mild to severe.
Some behaviors associated with autism include:
Any attempt to divert the child can provoke an emotional outburst.
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