No, it is not possible to definitively diagnose autism at the age of one. Autism is a complex developmental disorder that can manifest in a variety of ways. Symptoms of autism can vary greatly from person to person and can sometimes be difficult to identify in young children. The American Academy of Pediatrics recommends screening for autism at 18 and 24 months of age, as it can be difficult to diagnose before then.
At the age of one, developmental specialists may be able to identify certain behaviors that are associated with autism, but it is usually impossible to make a definitive diagnosis until the child is older. Symptoms such as language delays, lack of eye contact, difficulty responding to social cues, and repetitive behaviors can be signs of autism, but they can also be indicative of other issues. To accurately diagnose autism, a comprehensive evaluation by an experienced clinician is necessary.
It is important to remember that early identification and intervention can make a huge difference in the lives of children with autism. If you have concerns about your child’s development, don’t wait for a definitive diagnosis. Talk to your pediatrician and ask about developmental screening and possible referrals to specialists who can help. With the right support, children with autism can reach their full potential.