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Blog/Understanding Autism
Understanding AutismMay 27, 20247 min read

Why Autism Is Diagnosed Later in Girls, and What Gets Missed in the Meantime

Many autistic girls are identified later than boys, or missed. Here is what gets missed, what the right diagnosis changes, and what to watch for.

Key Takeaways
  • Many autistic girls are identified later than boys or missed, research suggests.
  • Autistic women report more camouflaging, so their effort and struggle can stay invisible.
  • Late or missed diagnosis means wrong treatment, missing accommodations, and years of feeling broken.
  • Ask evaluators specifically about masking and autistic presentation in girls.

Many autistic girls are identified later than boys, or not at all. In a Dutch survey of 2,275 autistic people, some groups of females were identified later than males, and a 2017 meta-analysis concluded that girls who meet criteria for autism are at disproportionate risk of not receiving a clinical diagnosis. Many autistic women are diagnosed in their late teens, twenties, or even later.

Why: autistic girls and women often camouflage more. In research using a self-report questionnaire, autistic women reported more camouflaging than autistic men. Socialization may play a part, and so may the long history of autism being pictured as a boys' condition.

Autistic girls often have strong verbal ability, maintain eye contact through significant effort, develop scripts for social interaction that pass as neurotypical, and have their social difficulty overlooked because they are trying so hard to fit in. The trying is invisible. The exhaustion it produces is attributed to anxiety or mood.

What gets missed in the meantime: years without accurate understanding of their own experience, mismatched treatment (anxiety treatment that does not address the underlying autistic processing), missed accommodations in school, and an accumulating narrative of being fundamentally broken or wrong in ways nobody can name.

What the right diagnosis changes: relief. A framework for understanding the past. Permission to unmask. Access to accommodations. Autistic community. A different relationship with self.

If you are a parent of a girl with anxiety, perfectionism, social exhaustion, intense interests, and sensory differences who has not been evaluated for autism: ask your evaluator specifically about autistic presentation in girls. Ask about masking. The standard assessment may not surface it.

More from WeBearish

- Sensory Tools Guide, Tools the autism community actually recommends - Getting a Diagnosis: A Parent's Guide, Step by step, plain English - Join the WeBearish Community, $3/month. No tragedy narratives.

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Helpful Tools & Resources

Sensory tools, books, and resources that support autistic people and their families:

- Noise-Canceling Headphones for Kids, One of the most impactful sensory tools for many autistic people - Weighted Blankets, Deep pressure support for regulation - Fidget Tools, Tactile regulation tools for hands and focus - Identity-First Books About Autism, Books that celebrate autistic identity - The Explosive Child, Ross Greene, Collaborative problem-solving, respected by autism advocates

Frequently Asked Questions

Why are girls diagnosed with autism later than boys?

Autistic girls and women often camouflage more: in research using a self-report questionnaire, autistic women reported more camouflaging than autistic men. A 2017 meta-analysis concluded that girls who meet criteria for autism are at disproportionate risk of not receiving a diagnosis, and a Dutch survey found some groups of females were identified later than males. Many autistic women are diagnosed in their late teens, twenties, or later.

What gets missed when a girl's autism is overlooked?

Girls who go undiagnosed can spend years without an accurate understanding of their own experience and receive mismatched treatment, such as anxiety care that does not address the underlying autistic processing. They may miss school accommodations and build up a painful narrative of being fundamentally broken or wrong in ways nobody can name. Their effort to fit in is invisible, and the exhaustion it produces is often attributed to anxiety or mood.

What should I ask if I think my daughter may be autistic?

If she shows anxiety, perfectionism, social exhaustion, intense interests, and sensory differences but has not been evaluated, ask your evaluator specifically about autistic presentation in girls and about masking. A standard assessment may not surface it. Autistic girls often have strong verbal ability and maintain eye contact through significant effort, which can hide their social difficulty.

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