The Centers for Disease Control and Prevention (CDC) estimates 1 in 68 children in the U.S. is autistic. 1 in 42 boys and 1 in 189 girls.

In 2007, the American Academy of Pediatrics recommended that doctors begin screening babies for autism as early as 18 months. But doctors agree that there are very few behaviors or telltale autistic or Asperger’s signs that babies exhibit at 18 months.

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