Autism can be a difficult word for many parents to hear. It’s normal to have a million questions swirling in your head. What does it mean for my child? How do we find out if our child has autism?

First, take a deep breath. By looking for information, you’re already taking the first step towards supporting your child.

Autism, or Autism Spectrum Disorder (ASD), is a developmental condition that affects how a person communicates and interacts with others. It’s called a “spectrum” because it shows up differently in each person.

Knowing how it is diagnosed makes the process less worrisome. It helps you navigate the process confidently and makes sure your child gets the support they need early on. 

Diagnosing autism involves observing behaviours, understanding your child’s development, and sometimes doing specific tests.

In this article, you’ll find answers to the five most frequently asked questions about how autism is diagnosed. Whether you’re just starting this journey or are in the middle of it, this blog will help you find the answers you need.

#1 – What are the early signs of autism?

Spotting the early signs of autism can be challenging. As a parent, you know your child best, and noticing differences in their development can be worrying. 

However, identifying these signs early can make a difference in getting the right support. 

Here are a few common early signs in toddlers and young children:

It’s important to remember that autism is a spectrum. This means the signs and their severity can vary widely from one child to another. Each child is unique, and knowing their specific needs is key.

Early signs of autism can be subtle, but keeping an eye out for these behaviours and talking to a healthcare professional if you have concerns can make a big difference. 

It can help them develop social, communication, and learning skills. The earlier the support starts, the better. 

#2 – Who can diagnose autism?

When it comes to your child, you want an expert you can trust. Various specialists can diagnose autism, and knowing who to turn to can make the process smoother.


These healthcare experts have the training and experience to accurately assess your child’s development. An accurate diagnosis helps make sure that your child gets the right kind of support and interventions.

In many cases, a multidisciplinary team approach is used. This team might include:

Having a team helps make sure that all aspects of your child’s behaviour and development are considered. This collaborative approach leads to a more accurate diagnosis and a personalised support plan. 

#3 – What are the diagnostic criteria for autism?

Learning the criteria for diagnosing autism can seem like a big task, but let’s break it down together. The guidelines come from the DSM-5, a manual that helps doctors diagnose mental and developmental disorders.

The DSM-5 outlines two main areas for diagnosing autism:

These criteria guide professionals in observing specific behaviours and challenges. Accuracy is important for getting the right support and interventions for your child.

Nevertheless, think of these criteria more like a set of guidelines, not a rigid checklist. Doctors use it to observe behaviours and interactions. They are not labels or limitations. Every child with autism is unique, and these guidelines help tailor the best possible care for them.

#4 – What tests are used to diagnose autism?

When it comes to diagnosing autism, several tests and assessments are used to get a clear picture. 

Specialists watch how your child interacts in different settings. This might include how they play, how they respond to others, and how they handle changes in routine. These observations help understand your child’s unique behaviours and challenges.

Likewise, your perspective as a parent is invaluable. After all, you know your child best. Interviews with parents provide detailed background information and provide insights into behaviours that might not be seen during a single observation.

At the end of the day, diagnosing autism isn’t about a single test. It’s a comprehensive process that combines various assessments. Each test and observation adds a piece to the puzzle. 

#5 – What should I do if I suspect my child has autism?

Suspecting that your child might have autism is a difficult realisation to have. But remember, you’re not alone, and there are clear steps you can take to support your child.

Your paediatrician is your partner in this journey. They can guide you through the initial steps, provide referrals, and support you in finding the right specialists. Talking to your paediatrician early on can make a big difference in getting your child the help they need.

Here’s the important thing: you’re doing the right thing by seeking information and help. Trust your instincts, reach out to professionals, and know that early support can make a world of difference for your child.

A hopeful path forward – understanding autism diagnosis

Autism is a way of experiencing the world that might be different, but it’s definitely not something bad.
You’re already making the right choice by seeking information and taking steps to understand your child better. Remember, early diagnosis and intervention can open up a world of support and opportunities for your child.

You’re not alone on this journey. With the right resources and a caring community, your child can thrive even with a diagnosis of autism. So take a deep breath, hold onto that hope, and keep moving forward with confidence.