A bombshell Finnish study tracking over 2,000 young people has delivered a devastating blow to the core promise of the child ‘gender medicine’ movement.
Adolescents who undergo sex alteration procedures experience a dramatic spike in severe mental illness in the years following their interventions, according to peer-reviewed research published this week in Acta Paediatrica.
The findings are nothing short of alarming: specialist psychiatric treatment rates jumped more than sixfold among biological males and more than doubled among biological females after medical intervention.
Led by Professor Riittakerttu Kaltiala of Tampere University Hospital — a veteran insider who has run a youth gender clinic since 2011 — the study tracked every single person under 23 who contacted Finland’s nationally centralised gender identity clinics between 1996 and 2019. The massive cohort of 2,083 individuals was followed for up to 25 years and compared against nearly 17,000 matched population controls.
Because Finland’s health registers are mandatory with no opt-out option, the dataset captured the complete fate of every gender-referred adolescent in the entire country over that quarter-century period.
“Severe psychiatric morbidity is common among gender-referred adolescents and appears to be more prevalent in those referred after the recent surge in referrals,” the study’s authors stated bluntly.
Then came the kicker: “Psychiatric needs do not subside after medical gender reassignment.”
The Numbers That Should Stop Everyone Cold
Let’s break down what the data actually showed for those who went under the knife or took the drugs:
Among adolescents who underwent medical gender reassignment, psychiatric morbidity increased dramatically during follow-up —
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Rising from 9.8% to 60.7% in feminising (male-to-female) procedures
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Rising from 21.6% to 54.5% in masculinising (female-to-male) procedures
Even after adjusting for prior psychiatric history, every single subgroup of gender-referred adolescents — whether they had the procedures or not — faced substantially elevated ongoing psychiatric risks.
The adjusted hazard ratios placed them at roughly five times higher risk than male population controls and three times higher risk than female controls.
Perhaps most disturbingly, the authors noted that in some individuals, the medical procedures “appear to be linked to deterioration in mental health.”
The Pre-2010 vs. Post-2010 Bombshell
The study also uncovered a massive difference between earlier and later referral cohorts.
Those referred after 2010 — when Finland saw a tenfold explosion in referrals — arrived at clinics with significantly greater pre-existing psychiatric needs. Among the later cohort, a staggering 47.9% had already required specialist psychiatric treatment before their first clinic contact, compared to just 15.3% of matched controls over the same period. No equivalent rise appeared in the control group.
The authors’ conclusion cuts to the heart of the matter: this pattern may indicate that for many adolescents, mental health difficulties are presenting as concerns about gender identity — not the other way around.
What’s Happening in Australia Right Now
These Finnish findings land in the middle of a red-hot policy battle Down Under.
Queensland’s LNP government has already slammed the brakes, suspending the initiation of puberty-blocking drugs and cross-sex hormones for minors until at least 2031 while conducting its own state-level review.
The federal government has separately tasked the National Health and Medical Research Council with updating Australian clinical guidelines, with interim advice on puberty blockers expected by mid-2026.
Meanwhile, the UK’s landmark Cass Review — a four-year NHS-commissioned independent inquiry — found the evidence base for these treatments in minors to be “remarkably weak,” prompting the UK to restrict routine prescribing. The Cass Review gave Australia’s child ‘gender medicine’ standards a pathetic 19 out of 100 for rigour of development.
Professor Kaltiala herself served on the Cass Review advisory board. She has previously stated openly that young patients at her clinic were “not thriving” and that “their lives were deteriorating.”
Australian Clinicians Crushed for Speaking Up
Two Australian doctors who dared to raise concerns about child ‘gender medicine’ have been systematically silenced.
Queensland psychiatrist Dr Andrew Amos was banned by AHPRA for publicly questioning the controversial treatments and barred from direct clinical contact. The conditions were imposed following complaints about his social media posts — yet no finding of patient harm or unsafe clinical practice was ever made against him.
Queensland child psychiatrist Dr Jillian Spencer was suspended from Queensland Children’s Hospital in 2023 after objecting to the state’s child gender treatment model. She was subsequently handed a termination notice just one month before an independent panel was due to deliver its findings — a decision now facing legal challenge.
The Finnish study adds powerful new ammunition to the evidence base those brave clinicians have been drawing on all along.
The Bottom Line
The study’s authors have issued a clear call: thorough psychiatric assessment and ongoing treatment must be provided both before and after any medical procedures.
“The considerable severe psychiatric morbidity prior to contacting the GIS, and its increase over time, suggest that for some of these adolescents, GD may be secondary to other mental health challenges,” they wrote.
Their final warning is unmistakable: “Psychiatric needs must be adequately met.”
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