Episode Description
And the evidence is catching up!
For most of autism's diagnostic history, clinicians have repeated some version of the same number: autism is about four times more common in boys than in girls. That number has shaped which children get screened, which symptoms get recognized, and which ones get explained away as anxiety or shyness or a hormonal thing. Generations of autistic women and girls have been missed because the people doing the looking were taught to look for boys.
In this episode, I walk through a 2026 study published in the BMJ that followed 2.7 million Swedish birth records over 35 years. The findings suggest the four-to-one ratio is collapsing — and in adolescent and adult diagnosis, it has either evened out or flipped. Autistic women were never rare. We were just being missed.
Topics covered include:
- Why the four-to-one male-to-female ratio has dominated autism research and clinical practice
- What "masking" or "camouflaging" means, and why it has cost so much
- The biological vs. diagnostic explanations for the apparent gender gap — and what this study tells us about both
- Why this looks like a catch-up effect rather than a sudden surge in autistic girls
- What this means for autistic adults who got missed for decades
If you'd like to know more about topics discussed in this episode, check out:
"Time Trends in the Male to Female Ratio for Autism Incidence: Population Based, Prospectively Collected, Birth Cohort Study" by Caroline Fyfe et al.
"What Is the Male-to-Female Ratio in Autism Spectrum Disorder? A Systematic Review and Meta-Analysis" by Rachel Loomes et al.
"'Putting on My Best Normal:' Social Camouflaging in Adults With Autism Spectrum Conditions" by Laura Hull et al.
"Clinical Characteristics and Problems Diagnosing Autism Spectrum Disorder in Girls" by Hannah Young et al.
Theme music: "Everything Feels New" by Evgeny Bardyuzha.
All episodes written and produced by Kristen Hovet.
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The views, opinions, and experiences shared by guests on this podcast are their own and do not necessarily reflect those of the host or production team. The content is intended for informational purposes only and should not be taken as medical or professional advice. Please consult with a qualified healthcare provider before making any decisions related to your health, fitness, or wellness.