Gender dysphoria is the distress experienced when there is a mismatch between a person's gender identity and the sex assigned at birth. Research shows this condition involves feeling unhappy, sometimes deeply so, that your body appears one way whilst your internal sense of gender makes you want your body to look another way. Evidence indicates this distress can be significant and impact daily functioning, relationships, and overall wellbeing.

Guidelines from major medical organisations recognise gender dysphoria as a legitimate medical condition with biological underpinnings. Studies suggest the causes are complex and likely involve genetic, hormonal, and neurobiological factors during development. Importantly, research consistently shows that gender dysphoria cannot be caused by past trauma or adverse experiences. Whilst some people may have both a history of trauma and gender dysphoria, evidence indicates one does not cause the other.

Medical professionals emphasise that gender dysphoria exists as its own distinct condition. This understanding helps reduce stigma and ensures people receive appropriate, evidence-based care rather than misguided attempts to address perceived psychological causes that research has not supported.