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Is AuDHD More Common in Boys or Girls? 

Posted
Updated
ByMy Patient Advice
Author: Victoria Rowe, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

AuDHD gender prevalence the co-occurrence of Autism and ADHD has become a growing area of research in recent years. Although both conditions are more frequently diagnosed in boys, there is ongoing debate about whether AuDHD is more common in boys or girls. Understanding this dynamic is crucial for improving early diagnosis and providing more effective support for individuals with both autism and ADHD. 

Recent studies suggest that Autism ADHD gender differences are more complex than previously thought. While boys are more likely to be diagnosed with either condition individually, girls with AuDHD may present differently, often leading to underdiagnosis or delayed recognition of their symptoms. 

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AuDHD Boys vs Girls: Key Considerations 

Boys and girls with AuDHD may show different symptoms, leading to varied challenges and diagnostic outcomes. 

Higher Diagnosis Rate in Boys:  

Research indicates that AuDHD is more commonly diagnosed in boys, reflecting the broader trend of autism and ADHD diagnoses in male children. However, this boy’s vs girl’s disparity may be partly due to differences in how symptoms present across genders. Boys with AuDHD often display more overt hyperactivity and impulsivity, which are more easily recognised. 

Girls May Present Differently:  

Girls with AuDHD may exhibit more internalised symptoms, such as anxiety or social withdrawal, which can make the Autism ADHD gender differences less obvious. These milder symptoms can lead to misdiagnosis, as girls are often diagnosed with ADHD or autism later in life or sometimes not diagnosed at all.  

Underdiagnosis in Girls:  

Because AuDHD in girls often presents differently, they may be underdiagnosed or diagnosed with only one of the conditions. As a result, girls with both autism and ADHD may not receive the comprehensive support and treatment they need until later in their development, which can impact their emotional and academic outcomes. 

In conclusion, while AuDHD gender prevalence shows higher rates of diagnosis in boys, the unique presentation of AuDHD in girls suggests the need for more attention to how these conditions manifest differently across genders. Early, accurate diagnosis and a tailored treatment approach can improve outcomes for both boys and girls with Autism and ADHD. For personal consultations on types of behaviours within autism spectrum disorder, visit providers like ADHD Certify .  

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Autism Spectrum Disorder. 

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Victoria Rowe, MSc
Author

Victoria Rowe is a health psychologist with a Master’s in Health Psychology and a BS in Applied Psychology. She has experience as a school psychologist, conducting behavioural assessments, developing individualized education plans (IEPs), and supporting children’s mental health. Dr. Rowe has contributed to peer-reviewed research on mental health, including studies on anxiety disorders and the impact of COVID-19 on healthcare systems. Skilled in SPSS, Minitab, and academic writing, she is committed to advancing psychological knowledge and promoting well-being through evidence-based practice.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS
Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy. 

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