A Answers (3)
Intermountain Healthcare answeredAutism can be diagnosed as early as 12 to 18 months, and early treatment is one key to successful management of the disorder. Your pediatrician should do developmental screening at the 18-month well-baby checkup, but a parent's observations are important for diagnosis. The First Signs website contains valuable screening tools, or ask your doctor about the Modified Checklist for Autism in Toddlers (M-CHAT).
Several studies of at-risk infant siblings of children with autism have suggested that the earliest signs of autism can be detected as early as 10-12 months, with reliable diagnosis possible in children under 18 months.
Ronald Leaf, Psychology, answered
Watch as licensed psychologist and autism specialist Dr. Ronald Leaf discusses how early in childhood autism can be detected.
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