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    Science FridayAutism Rates Appear To Be Even Across Sexes. Diagnosis Is Not
    18 minEpisode 1240

    Autism Rates Appear To Be Even Across Sexes. Diagnosis Is Not

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    There’s a long-held idea that autism is more prevalent in boys than girls—the CDC says it’s three times as common. But a growing body of research suggests the reality is more complicated. In a new study, researchers tracked autism diagnoses in millions of Swedish people born from 1985 to 2022. They found that the prevalence of autism is actually pretty even across the sexes, but people with “female” stamped on their birth certificate are often diagnosed later in life.

    Host Flora Lichtman speaks with epidemiologist Caroline Fyfe about what this study teaches us about the prevalence of autism. Then, psychology researcher Rachel Moseley, an autistic woman herself, shares how late and missed diagnoses can affect autistic people.

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    Listen now18 min

    © Science Friday and WNYC StudiosLength 18 min21 February 2026Episode 1240ScienceFactsEducationalUSAEpisodic

    Agricultural Bees, China’s Energy Future, Frankenstein In Class. Feb 2, 2018, Part 1

    Agricultural Bees, China’s Energy Future, Frankenstein In Class. Feb 2, 2018, Part 1

    This is an episodic podcast, so you can listen to it in any order, but episode one is a great place to start.

    Listen to episode one here
    11+ScienceFactsEducationalUSAEpisodic21 February 2026© Science Friday and WNYC Studios

    There’s a long-held idea that autism is more prevalent in boys than girls—the CDC says it’s three times as common. But a growing body of research suggests the reality is more complicated. In a new study, researchers tracked autism diagnoses in millions of Swedish people born from 1985 to 2022. They found that the prevalence of autism is actually pretty even across the sexes, but people with “female” stamped on their birth certificate are often diagnosed later in life.

    Host Flora Lichtman speaks with epidemiologist Caroline Fyfe about what this study teaches us about the prevalence of autism. Then, psychology researcher Rachel Moseley, an autistic woman herself, shares how late and missed diagnoses can affect autistic people.

    Guests:

    Dr. Caroline Fyfe is an epidemiologist at the University of Edinburgh who studied sex differences in autism diagnoses.

    Dr. Rachel Moseley is a researcher in psychology at Bournemouth University in the UK, studying the experiences of autistic adults.

    Transcripts for each episode are available within 1-3 days at sciencefriday.com.

    Subscribe to this podcast. Follow our show on Instagram, TikTok, Facebook, and Bluesky @scifri and sign up for our newsletters. Got a science question that’s keeping you up at night? Call us: 877-472-4374

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    © Science Friday and WNYC Studios |Original Episode URL. The content, artwork and advertising within this podcast is not owned or affiliated with Sound Carrot and remain the property of their respective owners.


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