Early Diagnosis of ASD: Is It Possible to Diagnose Autism Before Age 2?

July 4, 2025

Yes, autism can be diagnosed before age 2, and in fact, early diagnosis is becoming increasingly important. 


While it was once common to diagnose autism later in childhood, research shows that signs of autism can often be detected by 18 to 24 months. The earlier a child is diagnosed, the sooner they can begin receiving support, which can make a big difference in their development.


Early Signs of Autism

Parents and caregivers might notice a few signs that can raise concerns. These could include limited eye contact, not responding to their name, trouble with communication, or repetitive movements like hand-flapping. 


It's important to remember that each child is different, and some of these behaviors may just be a phase. However, when these behaviors are persistent, it might be a good idea to seek a professional opinion. Doctors and specialists can assess a child’s development and give a clearer picture of whether autism might be a factor.


Why Early Diagnosis of Autism is Important

When autism is caught early, children can benefit from tailored therapies that help them develop social and communication skills. Autism interventions during the toddler years are often more effective and can help children make progress in key areas. Early support can give children the best start and help them thrive as they grow.



For families in Florida, Little Rays ABA offers expert autism services designed to support young children. With personalized ABA therapy in Florida, we focus on helping each child build skills that can make a meaningful impact on their development.


Unlock Your Child's Potential with Expert ABA Therapy!

At Little Rays ABA, we provide compassionate, evidence-based ABA therapy to help children with autism thrive. Our personalized approach fosters growth in communication, social skills, and independence.

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