Autism spectrum disorder covers a wide range of presentations — no two autistic children look exactly alike. Many parents notice something before their child's second birthday, often without being able to name what it is. The list below describes common early signs, not a diagnosis; only a qualified clinician can diagnose autism.
Signs parents commonly notice
- Limited eye contact, or eye contact that doesn't build the way it does with siblings at the same age.
- Not responding consistently to their name being called by 12 months.
- Delayed or absent babbling, pointing, or first words compared to typical milestones.
- Repetitive movements — hand-flapping, rocking, or lining up toys instead of playing with them.
- Strong, narrow interests, and distress when a routine changes unexpectedly.
- Unusual reactions to sound, light, textures, or touch — either seeking them out intensely or avoiding them.
- Difficulty with back-and-forth play or imitating other children's actions.
Any one of these on its own is common in typical development too. It's the combination, and how much it affects daily functioning, that a clinician evaluates for.
Myths worth unlearning
- "It's just bad parenting or too much screen time." Autism is a neurodevelopmental difference present from early brain development — it is not caused by how a child is raised.
- "He'll grow out of it." Some traits change with support and development, but autism itself doesn't disappear on its own.
- "Vaccines cause autism." This claim has been extensively studied and is not supported by scientific evidence.
- "Only boys are autistic." Autism is under-diagnosed in girls, who often present differently and mask more easily.
What to do if you notice these signs
Don't wait to see if it resolves on its own. Book an evaluation with a developmental pediatrician, child psychologist, or a clinician experienced in autism assessment. A proper evaluation looks at communication, social interaction, play, and sensory patterns across more than one setting — it isn't a single quick test.
- Write down specific examples you've noticed, with approximate ages — this speeds up the evaluation.
- Bring any observations from a daycare, school, or grandparent who spends regular time with your child.
- Ask directly what happens after the evaluation — most clinicians will outline a support plan regardless of the exact diagnosis.
Support options after an evaluation
Depending on your child's needs, a clinician may recommend speech-language therapy, occupational therapy, ABA (Applied Behavior Analysis), or a combination. TheraKonnect's directory lets you filter for autism/ABA specialists and child psychologists, and every listed clinician's credentials are verified before they appear publicly.