Could my toddler be autistic?
If something about how your child plays, communicates, or responds to you keeps catching your attention, write it down and bring it up with their pediatrician. Clinicians look at patterns across development. One observation by itself can’t tell you whether your child is autistic.
What one parent noticed
- Lining things up. During solo play, his toddler gathered five computer mice and lined them up, and arranged books in rows on the floor. If someone moved a book or a mouse, he would start rearranging the objects to put them back in his preferred order. Repeatedly lining up objects, especially when changes to the arrangement cause distress, is one pattern you can mention. Notice how often it happens and what other kinds of play your child enjoys.
- Walking straight toward the ocean. Around age 1, his toddler headed into the water without slowing down. Later, he climbed somewhere unsafe without hesitating. Treat both as safety concerns. A toddler’s willingness to approach water or climb can’t tell you whether they’re autistic.
Clinicians may describe a strong preference for keeping a particular arrangement as rigidity or insistence on sameness. Lining things up can also be described as repetitive play. Stimming is a broader everyday term for repetitive actions or sounds that can help with regulation or feel enjoyable. From the behavior alone, you can describe what your child did, but you can’t know why they did it. There’s no need to move things on purpose to test their reaction.
At the beach
Keep your child within arm’s reach at the water’s edge and in the water. Take turns assigning one adult to watch closely. For climbing, block access to unsafe spots, secure furniture that could tip, and supervise play on age-appropriate equipment.
Looking at objects out of the corner of the eyes
During an autism evaluation, the clinicians noticed one toddler looking at objects out of the corner of his eyes. They may call this unusual visual inspection. Examples include turning the head to look at a toy from the side or holding a toy very close to the eyes. It’s one observation clinicians can consider alongside how a child communicates, plays, and responds to others. By itself, it can’t tell you whether a child is autistic.
If you see this often, tell your pediatrician what your child looks at and whether they tend to turn their head the same way or close one eye. Ask whether a vision check would help, since an unusual head position can also be related to vision or eye alignment.
New York State guidance on autism assessment · American Academy of Ophthalmology guidance on pediatric eye exams
What else to look for
Tell the pediatrician if you notice a pattern such as rarely responding to their name, rarely pointing or showing you something just to share interest, limited back-and-forth play, or repeated movements and strong distress around changes. Mention any speech delay or loss of words, gestures, or other skills the child previously used. If skills are lost, call the pediatrician promptly.
What to do next
Ask for developmental and autism screening when you have a concern. Routine autism screening is recommended at 18 and 24 months. Bring a few examples with your child’s age, how often you see the behavior, and what happens in different settings. A short clip of ordinary play may help show what you mean. Keep it private and share it with the care team if helpful. If you’re in the U.S. and your child is under 3, you can also contact Early Intervention directly for an evaluation while you wait.
CDC signs and symptoms · CDC screening guidance · AAP water safety · AAP toddler safety