Is Autism More Common in Boys than Girls?

Autism Spectrum Disorder (ASD) affects individuals across genders, but studies consistently show that boys are diagnosed at a much higher rate than girls, roughly 3 to 4 times more often. For example, CDC data indicates a prevalence of about 49 per 1,000 boys compared to 14 per 1,000 girls.

Why the Difference?

• Biological factors: Genetics may play a role, with research suggesting a “female protective effect,” meaning girls may require a stronger genetic predisposition before developing autism.

• Diagnostic bias: Girls often present autism differently, with symptoms that can be masked by social coping strategies. This leads to later or missed diagnoses compared to boys.

• Awareness gap: Historically, diagnostic criteria were based on male presentations of autism, making it harder to identify ASD in girls.

What This Means for Families

Parents, educators, and professionals should be aware that autism in girls may look different and can be overlooked. Early recognition and intervention are key to ensuring children receive the support they need, regardless of gender.

At Career Based Solutions, we provide evidence-based ABA therapy in Fredericksburg, Virginia tailored to each child’s unique needs. Whether you’re a parent, educator, or professional, our team is here to help you understand autism and support meaningful progress.

Learn how we can empower your child and family. Contact us today!

SOURCES:

https://www.autism.org.uk/advice-and-guidance/identity/autistic-women-and-girls

https://www.nhs.uk/conditions/autism/signs/children/

https://www.reddit.com/r/AutismInWomen/comments/yo48tk/what_were_some_traits_you_showed_as_autistic_girls/

https://www.medicalnewstoday.com/articles/325574



https://edition.cnn.com/2025/04/02/health/autism-in-girls-wellness