When do signs of autism spectrum disorder (ASD) show up?
ANSWER
The usual signs of ASD usually show up when a child is between 2 and 3 years old, but experts think it begins much earlier, when the brain is starting to develop.
Reviewed by Renee A. Alli on December 4, 2020
SOURCES:
The American Speech-Language-Hearing Association (ASHA): “Autism (Autism Spectrum Disorder).”
National Institutes of Health: “Autism Spectrum Disorder.”
CDC: “Facts About ASD.”
Autism Speaks: “What Is Autism?” “Asperger Syndrome,” “PDD-NOS.”
Autism Support of West Shore: “Defining Autism.”
SOURCES:
The American Speech-Language-Hearing Association (ASHA): “Autism (Autism Spectrum Disorder).”
National Institutes of Health: “Autism Spectrum Disorder.”
CDC: “Facts About ASD.”
Autism Speaks: “What Is Autism?” “Asperger Syndrome,” “PDD-NOS.”
Autism Support of West Shore: “Defining Autism.”
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