Quick answer: Many autistic women aren't diagnosed until adulthood because their traits can look different from older stereotypes of autism, and because many women learn to mask or camouflage their differences. Common experiences include feeling exhausted after socialising, studying people to know how to act, strong sensory sensitivities, a deep need for routine or predictability, and periods of burnout. If this sounds familiar, a neurodiversity-affirming adult autism assessment can give you a clear answer.
Why are so many women diagnosed with autism later in life?
For a long time, our understanding of autism was shaped mainly by research on boys and men. As a result, autistic girls and women were often missed, especially if they did well at school, had friends, or seemed to "cope" on the surface.
Many autistic women describe learning, often without realising it, to copy the people around them: rehearsing conversations, following social "scripts", forcing eye contact, or hiding their discomfort. This is often called masking or camouflaging. It can help someone get by, but it usually comes at a high cost to their energy and wellbeing, and it can hide autistic traits from parents, teachers and health professionals.
What are some signs of autism in adult women?
Every autistic person is different, and no single sign means someone is autistic. That said, these are some experiences autistic women commonly describe:
Social exhaustion. You can socialise, but afterwards you need a long time alone to recover.
Studying social rules. You've learned how to act by watching others, reading, or rehearsing what to say.
Sensory sensitivities. Noise, bright lights, crowded places, certain fabrics or smells can feel overwhelming or even painful.
A strong need for predictability. Unexpected changes to plans can feel very distressing, even if you hide it well.
Deep, focused interests. Your interests might look "typical" (books, animals, psychology, a TV series) but the depth and intensity of your focus stands out.
Feeling different from a young age, without being able to explain why.
Burnout. Periods of exhaustion, shutdown or losing skills you usually have, often after long stretches of masking or major life changes.
Could it be anxiety or depression instead?
Many autistic women have previously been diagnosed with anxiety, depression or other conditions, sometimes before anyone considered autism. These experiences can be very real, and they can also sit alongside autism. A thorough assessment looks at your whole developmental history, not just how you're feeling right now, to help make sense of the full picture.
What about ADHD?
Autism and ADHD often occur together, and some women who are autistic are also ADHDers (sometimes called AuDHD). If you recognise yourself in both, a combined autism and ADHD assessment looks at both at once.
What does an adult autism assessment involve?
At Emu Heights Psychology, an adult autism assessment includes an intake form, psychometric questionnaires, a diagnostic interview of about 1–2 hours, a written letter or report, and a feedback session. You can attend by telehealth from anywhere in Australia, or in person in Blaxland in the Blue Mountains. You can read about each step on our What to Expect page.
Is it worth getting a diagnosis as an adult?
This is a personal decision, and there's no right or wrong answer. Many late-diagnosed women say a diagnosis helped them understand their past, reduce self-blame, and make choices that fit how their brain works. A diagnosis can also support conversations about adjustments at work or study. An assessment is about understanding, not about putting you in a box.
About the author
Kylie Wheeler is a registered psychologist and the founder of Emu Heights Psychology. She is a late-diagnosed neurodivergent adult (AuDHDer) and provides neurodiversity-affirming adult autism and ADHD assessments in person in Blaxland and by telehealth across Australia.
This article is general information only and isn't a substitute for an individual assessment or clinical advice. If you're struggling, please reach out to your GP, or call Lifeline on 13 11 14.
