Autism

Autism checklist for girls: signs that are easy to miss

Autism in girls looks different. This checklist covers the female autism phenotype — the signs that get missed by schools, GPs, and sometimes parents.

Only 1 in 5 autistic girls is diagnosed before age 11. My daughter Annabel was diagnosed at nearly six — and by that point, her difficulties had been visible at home for years while school saw a quiet, compliant little girl who was coping.

If you're reading this because something isn't adding up — you're seeing distress at home that professionals aren't seeing elsewhere — this checklist is for you.

Autism checklist for girls

Tick what you recognise. Nothing is saved or sent anywhere. Print or save the result to take to your GP.

0 of 19 recognised0%
Masking and social effort
Social differences that get missed
Emotional and sensory
Routine and rigidity
Pattern recognition

A few things resonate

You've recognised some of these, but not many. If your concerns are mild, you may want to keep watching. If any of these are causing real difficulty — especially the school/home split — a conversation with your GP or school SENCO is worth having.

Why autism is missed in girls

Autism is diagnosed around three to four times more often in boys than girls — but researchers increasingly believe this reflects missed diagnoses rather than true prevalence. Several specific factors mean autistic girls are systematically under-identified.

  • Diagnostic criteria were built from studies of boys: The traits that flag autism in clinical settings tend to be more prominent in the male presentation. Girls frequently present differently, and the standard tools weren't built to find them.
  • Girls mask more: Autistic females report significantly higher camouflaging scores than males. A girl who appears socially capable and well-behaved at school may be working extremely hard to sustain that — and collapsing at home.
  • The cost of missed diagnosis: Girls who aren't identified tend to be misdiagnosed with anxiety, depression, or eating disorders. Those conditions are real — but they're often consequences of living without an autism diagnosis, not separate problems.
  • What to say to your GP: Be specific: 'My daughter presents differently at home than at school. At school she appears to cope; at home she has significant difficulties with [list]. I'd like a referral for an autism assessment. I'm aware autistic girls often mask in clinical settings.'

If professionals aren't seeing what you're seeing, that is a recognised and well-documented problem — not a reason to drop it. Keep written records of home behaviour and bring them to every appointment.

Read the full guide

Autism in girls is frequently missed by teachers, GPs, and sometimes parents too. This guide covers the female autism phenotype, masking, how to get an assessment, and what to say when professionals can't see what you're seeing.

Read: Autism in girls

Not a diagnostic tool.

What to do if you recognised a lot of this

The pattern this checklist describes — particularly a significant gap between school behaviour and home behaviour — is consistent with the female autism phenotype. It's also exactly the pattern that gets dismissed.

What to say to your GP:

"My daughter presents very differently at home than at school. At school she appears to cope; at home she has significant difficulties with [list specific things]. I'd like a referral for an autism assessment. I'm aware autistic girls often mask in clinical settings, so what I'm describing at home is the more accurate picture."

What to say to school:

"I understand you may not be seeing these difficulties in the classroom. Research shows autistic girls often mask at school and present very differently at home. I'd like school to observe specifically for [the things on your list] and document what they see."

You don't need school to agree in order to get a GP referral. But if school has flagged anxiety or emotional difficulties, ask directly: "Has autism been considered as part of this picture?"

Why girls get missed

Autistic girls are significantly more likely to mask — to consciously or unconsciously suppress their autistic traits in social settings. This masking can look like social success from the outside. Teachers describe these children as shy, anxious, or sensitive; rarely as having additional needs.

The autism assessment process was largely built on a male presentation of autism. A girl who is verbally fluent, makes eye contact, and appears to have friendships may not trigger a referral, and may not present as autistic in a clinical appointment. The diagnostic report from a specialist assessment will often note significant masking — but only if the clinician is looking for it.

If you're pursuing assessment, look specifically for a clinician with experience in the female autistic phenotype. The Lorna Wing Centre, the DISCO assessment tool, and clinicians who explicitly mention late-diagnosed women and girls in their practice are good indicators.


This article is part of the Neuroequipped Autism guide. For the full guide to autism in girls and women, see Autism in girls: why it looks so different. For the assessment process, see Autism assessment: NHS and private options. For autism in adult women, see Autism in adults: signs you might have missed.

Neuroequipped provides research-grounded information for parents and educators. It is not medical advice. If you have concerns about your child, speak to your GP or paediatrician.