Gender Differences in Autism Spectrum Disorders
Summary
Autism spectrum disorders (ASD) are diagnosed more frequently in males than females, yet growing evidence reveals that girls and women on the spectrum often exhibit distinct behavioural and neurodevelopmental profiles. Females may present with subtler social communication challenges, narrower and less overt restricted and repetitive behaviours and a greater propensity for camouflaging or compensatory strategies that conceal core traits. Neurodevelopmental trajectories also diverge, with girls sometimes showing delayed emergence of hallmark signs and different patterns of adaptive skill development. Proposed underlying factors include sex‐differential biological liability, hormonal influences and a genetic ‘female protective effect’. Recognising these gender‐specific manifestations is essential to reducing diagnostic bias, guiding earlier detection, informing tailored interventions and improving long‐term outcomes across diverse cultural and healthcare settings.
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Gender Differences in Autism Spectrum Disorders publication trend
The graph below shows the total number of articles in gender differences in autism spectrum disorders across all publications each year (not limited to Nature Index journals).
Technical terms
Restricted and repetitive behaviours and interests (RRBIs): Core ASD features involving repetitive motor movements, insistence on sameness and intensely focused interests that can limit flexibility and social engagement.
Camouflaging: Consciously or unconsciously adopted strategies to mask autistic traits in social interactions, including imitation of peers, suppression of self‐stimulatory behaviours and use of learned social routines.
Female autism phenotype: A proposed constellation of autistic characteristics more commonly observed in females, marked by subtler social communication difficulties, less pronounced RRBIs and extensive use of camouflaging tactics.
References
- Sex differences in social and emotional insight in youth with and without autism. Molecular Autism (2023).
- Research Review: A systematic review and meta‐analysis of sex differences in narrow constructs of restricted and repetitive behaviours and interests in autistic children, adolescents, and adults. Journal of Child Psychology and Psychiatry (2023).
- Sex differences in neurodevelopmental trajectories in children with different levels of autistic traits. Psychiatry and Clinical Neurosciences (2023).
- The Female Autism Phenotype and Camouflaging: a Narrative Review. Review Journal of Autism and Developmental Disorders (2020).
- The role of sex-differential biology in risk for autism spectrum disorder. Biology of Sex Differences (2016).
- Is There a Bias Towards Males in the Diagnosis of Autism? A Systematic Review and Meta-Analysis. Neuropsychology Review (2024).
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