CHESTER COUNTY INTERMEDIATE UNIT
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Chester County Intermediate Unit

Early Signs of Autism Spectrum Disorder (ASD)
Obtained from Autism Speaks
  • No big smiles or other warm, joyful expressions by six months or thereafter  
  • No back-and-forth sharing of sounds, smiles or other facial expressions by nine months
  • No babbling by 12 months
  • No back-and-forth gestures such as pointing, showing, reaching or waving by 12 months
  • No words by 16 months
  • No meaningful, two-word phrases (not including imitating or repeating) by 24 months
  • Any loss of speech, babbling or social skills at any age
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