Unveiling the hidden spectrum: Why girls and autism often go unseen

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Unveiling the hidden spectrum: Why girls and autism often go unseen
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Autism is a complex neurodevelopmental condition characterised by social-communication challenges, restricted and repetitive behaviours, and sensory processing difficulties. While the prevalence of autism is estimated at 1 in 54 children, research suggests a significant disparity in diagnoses between genders. Boys are diagnosed with autism roughly four times more often than girls, leading us to question: Why are girls so much harder to diagnose with autism?

The answer lies in a complex interplay of factors, including:

1. Different presentations of autistic traits:

  • Socialisation: The stereotypical image of autism often portrays boys with aloofness and a lack of interest in social interaction. However, autistic girls may exhibit more subtle social difficulties. They may appear interested in socialising but struggle with understanding social cues, maintaining eye contact, or navigating complex social dynamics. This ability to ‘camouflage’ their challenges can lead to misinterpretations of their intentions and abilities.
  • Restricted interests: While autistic boys may have intense interests in stereotypically ‘masculine’ topics like dinosaurs or trains, girls might gravitate towards interests traditionally associated with girls, like specific characters or activities. These interests, often deemed ‘typical’ might be overlooked as potential indicators of autism.
  • Repetitive behaviours: Repetitive behaviours are another core diagnostic feature of autism. However, autistic girls may exhibit these behaviours in more subtle ways, such as intense focus on specific routines, scripting conversations, or engaging in repetitive social interactions. These subtle expressions can easily go unnoticed.

2. The ‘camouflage’ effect:

Autistic girls, particularly those with higher cognitive abilities, may develop coping mechanisms to mask their challenges in social situations. This ‘camouflaging’ can involve mimicking social behaviours they observe in others, leading to significant internal distress and exhaustion. This effort to appear ‘normal/typical’ can further hinder accurate diagnosis.

3. Societal biases and diagnostic tools:

  • Gender bias: The current diagnostic criteria for autism were largely developed based on studies of boys, leading to a potential bias towards male presentations of the condition. This can result in girls who don’t exhibit the ‘typical’ symptoms being missed altogether.
  • Lack of awareness: Healthcare professionals and educators may have limited awareness of how autism manifests differently in girls. This lack of understanding can lead to misinterpretations of their behaviours and missed opportunities for diagnosis and support. I must say that this is really common in my working day. I see a child—girls or boys in this case to be fair, but mainly girls—where parents tell me: the doctor/health visitor/paediatrician has said it was ‘just a little delay’ and I am thinking ‘Really!??? What did they look at? How did they not see X Y Z’… It really is still very common.

4. Co-occurring conditions:

Autistic girls are more likely to experience co-occurring conditions like anxiety and depression, which can overshadow the core features of autism. This makes it even more challenging to identify the underlying autism diagnosis.

The consequences of missed diagnoses and this goes of course for both, autistic girls AND boys!:

The consequences of undiagnosed autism can be significant. Children may experience:

  • Lack of access to appropriate support: Without a diagnosis, children may miss out on crucial interventions and therapies that can help them manage their challenges and thrive.
  • Increased vulnerability to mental health issues: The stress of masking and navigating social complexities can lead to anxiety, depression, and other mental health challenges.
  • Difficulty forming meaningful relationships: Social difficulties and communication challenges can hinder their ability to build and maintain healthy relationships.

Moving forward: Towards a more inclusive diagnosis:

To ensure all individuals on the spectrum receive the support they need, it’s crucial to:

  • Increase awareness and education: Healthcare professionals, educators, and the general public need to be educated about the diverse presentations of autism in girls and of course also in boys. Let’s not forget that we are still seeing older autistic boys with diagnoses given aged 12 years and older who have slipped through the net.
  • Develop gender-neutral diagnostic tools: Diagnostic criteria and assessments should be revised to encompass the broader spectrum of autistic traits, regardless of gender.
  • Encourage open communication: Parents, caregivers, and individuals themselves should be encouraged to voice their concerns and seek evaluations, even if their experiences don’t perfectly align with stereotypical presentations of autism.

By acknowledging the complexities of diagnosing autism, particularly in girls, and working towards a more inclusive approach, we can pave the way for earlier diagnoses, appropriate support, and a brighter future for all individuals on the autism spectrum.

Do get in touch if you would like some in-person or on-line 1:1 support with this. It can be overwhelming to figure it all out alone.


Find a speech and language therapist for your child in London. Are you concerned about your child’s speech, feeding or communication skills and don’t know where to turn? Please contact me and we can discuss how I can help you or visit my services page.

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