I Was Thirteen When They Put Me on Estrogen - Jonni Skinner (#39)

18 September 2025

With Jonni Skinner

North America

Jonni Skinner was prescribed cross-sex hormones at thirteen following what he describes as a fabricated endocrine diagnosis at a university gender clinic. His account—covering falsified records, family coercion and lasting physical harm—maps directly onto the governance failures that systematic reviews in Sweden, Finland and the United Kingdom have since identified as endemic in paediatric gender medicine. His case, though American in origin, illustrates the clinical culture that European regulators have now begun to dismantle.

Jonni Skinner grew up in rural Michigan, diagnosed with high-functioning autism at four, and trying to make sense of adolescence as a gay boy in a religiously conservative household. When puberty brought intense distress about his body and his attraction to males, his mother sought help at the University of Michigan's gender clinic. Skinner describes what followed not as a careful diagnostic process but as the beginning of an eight-year medical trajectory he was wholly unequipped, at thirteen, to assess or resist. The clinical sequence Skinner recounts begins with what he says was a fabricated endocrine diagnosis, used to justify the prescription of cross-sex hormones. At fourteen, a further misdiagnosis of tall stature was used to increase his dosage, ostensibly to limit his height. These allegations are directly relevant to the documentation and testing failures that several European investigations have since identified as systemic. Sweden's 2022 systematic review, Finland's early guideline revisions and the Cass Review's 2024 final report each highlighted inadequate baseline assessments and the risk that diagnostic shortcuts were substituting for genuine clinical evaluation of vulnerable adolescents. Skinner also describes coercive conduct: practitioners threatening that child-protection services would remove him from the family home if his mother withheld consent, and the deliberate falsification of medical records. Those allegations, if substantiated, would constitute serious misconduct under the clinical governance frameworks of any European jurisdiction. The Cass Review gave considerable attention to the institutional cultures that made it difficult for families to question or exit treatment pathways, and its findings prompted NHS England to restrict paediatric gender services in 2024 on precisely those grounds. A further dimension of his account concerns the sexual character of certain clinical directives, including being sent to adult sex shops for items described as treatment supplies. This is safeguarding territory that goes beyond conventional debates about hormonal protocols. European regulatory bodies are still mapping the intersection of clinical authority and child protection, and cases like Skinner's suggest that mapping work is incomplete. Skinner detransitioned after eight years and reports permanent physical damage alongside significant psychological harm. His trajectory is consistent with the outcomes evidence that drove the 2023 and 2024 policy reversals in Denmark, Norway, Sweden, Finland and the United Kingdom. Each of those countries restricted or ended routine paediatric gender medicine in part because longitudinal evidence of benefit was absent while evidence of harm was accumulating. That Skinner's case originated in the United States underlines how far the same clinical assumptions were shared across national borders before regulators began to scrutinise them. What makes this episode significant for an evidence-focused audience is that Skinner is not describing a contested ideological position. He is describing specific, potentially documentable clinical acts—false diagnoses, record falsification, coercion of a parent—that the European regulatory consensus has already named as characteristic risks of the paediatric gender medicine model. His account raises the question not of whether gender dysphoria is a real source of suffering but of whether the institutions charged with treating it applied the safeguards that evidence-based medicine requires for any irreversible intervention on a minor.

The dossier behind this episode