The Truth Gender Clinicians Tried to Ignore - Dr Susan Bradley (#43)
16 October 2025
With Dr. Susan Bradley
gender-clinics
Dr. Susan Bradley co-founded Canada's first paediatric gender clinic in 1975 and spent nearly five decades treating children with gender dysphoria. In this conversation she explains what the clinical evidence actually showed — that most dysphoric children grew up to be gay or lesbian without medical intervention — and what happened when ideology overtook that evidence. Her account of puberty blockers, the ninety per cent progression rate to cross-sex hormones, the silencing of clinicians, and a forty-year patient follow-up offers one of the most authoritative inside views of how a medical culture lost its way.
Dr. Susan Bradley spent close to five decades at the intersection of clinical practice and policy in paediatric gender medicine. She co-founded Toronto's first gender clinic for children in 1975 and later chaired the DSM-IV committee that shaped the formal classification of gender dysphoria. That combination — longitudinal clinical experience and direct institutional authority — gives her account of what went wrong a weight that few voices in this field can match. The clinical picture Bradley observed was consistent: most children who arrived presenting with gender dysphoria did not persist in that identity into adulthood; the majority turned out to be gay or lesbian. Frankie arrived at nine convinced he wanted to be a girl, later joined a gay youth group, met someone, and found his way without medical intervention. Her very first patient, by contrast, transitioned at eighteen and was still pursuing surgery at seventy, driven by a feeling of never being quite perfect enough. The two trajectories, separated by decades, are connected: both point toward something medical transition alone cannot resolve. The introduction of puberty blockers altered the clinical landscape in ways the original Dutch researchers did not adequately anticipate. Presented as a reversible pause in development — a breathing space for uncertain children — they behaved very differently in practice. Roughly ninety per cent of children who began blockers went on to cross-sex hormones. What was described as a diagnostic tool functioned more like a commitment device, narrowing rather than widening future outcomes. The claim of reversibility, Bradley argues, was never properly tested before it became clinical orthodoxy. What happened to the evidence-based caution that should have tempered all of this? The answer runs through institutions. In 2015, Dr. Kenneth Zucker — who ran CAMH's gender clinic and shared Bradley's watchful approach — was removed from his post after activists accused the clinic of practising conversion therapy. CAMH later apologised and paid a settlement of $586,000. But the chilling effect on clinical culture preceded any legal resolution. The removal sent a signal: those who maintained scepticism about persistence and medicalisation were no longer professionally safe. Bradley also draws attention to the substantial co-occurrence of autism and gender dysphoria. Research indicates that transgender-identified adults are three to six times more likely to be autistic. The clinical implication is significant: the cognitive rigidity that can accompany autism — the tendency, once a solution has been identified, to hold it firmly — may interact badly with a medical pathway that offers transition as the primary answer. That mismatch between clinical presentation and protocol is one the field has been too slow to examine honestly. What runs through this episode is a question about institutional knowledge and what happens when it meets sustained ideological pressure. Bradley accumulated evidence across nearly fifty years pointing toward watchful support and the high likelihood of natural resolution for most gender-dysphoric children. What displaced that model was a protocol that presupposed persistence, defaulted to medical intervention, and penalised clinicians who asked questions. The lesson extends beyond gender medicine: it concerns what institutions do when the evidence is inconvenient.
