Early signs of autism in toddlers (0–5): what parents should know?
Every small step — from a first smile to a first word — is a window into your child's unique world.
At some point, every parent asks: "Is my child developing normally for their age?"
If you have a child between 0–5 years old, this question can feel even more important — especially when you notice differences in how your child communicates, plays, or responds to the world.
Being aware isn't about labeling your child — it's about understanding them early and supporting them.
Understanding early child development (0–5 years)
The first five years of life are critical for your child's development. During this stage, children rapidly build skills in:
- Language and communication
- Social interaction
- Physical movement
While every child develops at their own pace, research shows that differences in developmental milestones can be observed as early as 3 months of age.
It's completely normal to feel unsure. Many parents are not always certain what milestones their child should be reaching at specific ages. Tracking functional milestones — like speaking, walking, and feeding themselves — can help you better understand your child's progress over time.
Early signs of autism in toddlers
Autism Spectrum Disorder (ASD) presents differently in every child. However, there are early signs parents can look for across key areas:
Delayed speech, not responding to name by 12–18 months, limited use of gestures like pointing or waving, difficulty combining words into phrases.
Limited eye contact, prefers to play alone, difficulty engaging in back-and-forth interaction, delayed social smiling.
Delayed walking or crawling, difficulty with daily activities like self-feeding, delays in toilet training.
Repetitive movements, strong preference for routines, intense focus on specific objects, overreaction or underreaction to sounds or textures.
Toddler not talking yet?
One of the most common concerns parents have is: "My toddler is not talking yet — should I be worried?"
Some children develop speech later than others. However, when speech delay is combined with other signs — such as limited eye contact or motor delays — it may indicate a need for further support.
"Development is interconnected. Motor skills like walking help children explore their environment and interact more, which in turn supports communication growth."
— Child Development Specialist, Tiggie KidsWhat you can do as a parent?
If you notice your child is not meeting milestones, here are three practical steps you can take:
- 1Observe and track development over time — Look for patterns across communication, motor skills, and social interaction as your child grows.
- 2Be mindful of information — Online information can be overwhelming. Focus on reliable sources, standardised screening tools, and professional advice.
- 3Seek early guidance — If you have concerns, don't wait. The American Academy of Pediatrics recommends autism screening at 18 and 24 months.
Why early support matters?
The earlier you understand your child's needs, the better you can support their development. Research shows that early intervention — especially before the age of 4 — can significantly improve:
- Communication skills
- Social interaction
- Learning and adaptive behaviour
- Overall quality of life
You don't have to do this alone
Many parents spend hours searching online, trying to understand their child's development, often feeling overwhelmed. At Tiggie Kids, we understand that parents don't just need information — they need clear guidance and support.
Our platform is designed for parents of children aged 0–5, helping you to:
- Track your child's developmental milestones
- Access personalised activities that support growth
- Get instant answers through Tiggie Chat
- Connect with child development specialists
Instead of second-guessing, Tiggie provides a clear, guided path forward — so you can support your child with confidence.
Final thought
Every child develops in their own unique way.
Being aware doesn't mean assuming something is wrong. It means giving your child the right support at the right time. And that can make all the difference.
- Alhozyel, E., et al. (2023). Association between early developmental milestones and Autism Spectrum Disorder.
- Hannigan, L. J., et al. (2023). Developmental milestones and genetic liability.
- Ketcheson, L. R., et al. (2020). Functional milestones and ASD.
- Dawson, G., et al. (2010). Early intervention in autism.
