10/28/2026
Many children on the autism spectrum may show developmental differences during their infant and toddlers years, especially in social and language skills.
There may be some delays in spoken language or differences in how they interact with peers.
However, children on the autism spectrum usually sit, crawl, and walk on time.
So, the subtler differences in the development of gestures (pointing), pretend play and social language often go unnoticed by families and doctors.
Here are 3 Early Signs of Autism in Children:
1 Delay in or lack of joint attention
Joint attention is looking back and forth between an object or event and another person and connecting with that person. It is a building block for later social and communication skills.
2 Language delays
Almost all children on the autism spectrum show delays in nonverbal communication and spoken language.
3 Regression in developmental milestones & skills
About 25% of children later diagnosed with autism may develop some language that they suddenly or gradually stop using.
Typically, this may happen between the ages of 15 and 24 months.
They might also become more socially withdrawn. This change is called a regression in skills.
If you have concerns about how your child plays, learns, speaks, acts or moves, talk with your pediatrician.
Remember, you know your child best and your concerns are important.
Together, you and your pediatrician will find the best way to help your child. Don’t wait.
Acting early can make a big difference in your child’s development. 💜
Mara J James, Author OC Autism Foundation The Center for Autism & Neurodevelopmental Disorders Autism Mothers Autism Speaks