The British record

The country that changed its mind, on paper

No other country has reversed course on youth gender medicine as publicly as Britain. The Cass Review, the closure of the Tavistock service, the end of routine puberty blockers, the Supreme Court on the meaning of sex: each of those is a document with a date. This site holds them, quoted and linked.

The evidence dossiers UK timeline

A British public building in winter light

The dossiers

All dossiers

The Cass Review: findings and recommendations

The Cass Review was commissioned by NHS England after serious concerns emerged about the capacity, clinical model and evidence base of the national service for children and young people presenting with gender-related distress. For many years, the Tavistock’s Gender Identity Development Service, usually known as GIDS, was the sole national NHS specialist service in England. Referrals rose sharply and the profile of those referred changed substantially, with a marked increase in adolescent girls and young people with complex mental-health, neurodevelopmental and safeguarding needs.

Tavistock GIDS: rise, whistleblowers and closure

The Gender Identity Development Service (GIDS), run by the Tavistock and Portman NHS Foundation Trust, was for many years England’s sole national specialist service for children and young people experiencing gender-related distress. Its centralised structure meant that referrals from across England, and at points from other UK nations, were channelled towards one provider and associated satellite clinics.

For Women Scotland and the meaning of sex in the Equality Act

De zaak van For Women Scotland draaide formeel niet om toiletten, kleedkamers of ziekenhuisafdelingen. Zij ging over de vraag wie als “woman” telt bij het streven naar een betere vertegenwoordiging van vrouwen op Schotse publieke besturen. Maar de juridische vraag was veel breder: wat betekenen de woorden “sex”, “man” en “woman” in de Equality Act 2010, gezien section 9 van de Gender Recognition Act 2004?

The UK conversion-practices ban and exploratory therapy

Successive UK governments have struggled to legislate because there is broad agreement on one proposition but sharp disagreement on another. Few dispute that violence, threats, coercion, forced confinement, assault, sexual abuse, forced marriage, exorcism involving abuse, or attempts to compel a person to renounce same-sex attraction should be prohibited. Much of that conduct is already criminal under existing law. The difficult question is whether, and how, criminal law should regulate conversations, counselling, prayer, family pressure and therapeutic work concerning sexuality or gender iden

Schools guidance on gender-questioning children in England

For several years, English schools have faced competing requests and duties when a child says that they wish to be treated as the opposite sex, changes their name or pronouns, or seeks access to opposite-sex facilities. The Department for Education’s answer has now moved from proposed non-statutory guidance to safeguarding guidance which schools and colleges must have regard to.

Keira Bell, Bell v Tavistock and detransition in the UK

Keira Bell became the public face of a legal challenge to the former Tavistock and Portman NHS Foundation Trust’s Gender Identity Development Service (GIDS). Bell had received puberty-suppressing medication as an adolescent, later took testosterone and underwent surgery, and subsequently detransitioned. Together with “Mrs A”, the mother of a teenage girl, she sought judicial review of the lawfulness of the consent arrangements used when children and young people were referred for puberty blockers.

Latest on the timeline

Full timeline

1 September 2026

Keeping Children Safe in Education 2026 came into force in England on 1 September 2026

31 July 2026

The High Court refused permission to challenge the regulatory approval of PATHWAYS and declined to stop the trial

25 June 2026

The Government published the draft Conversion Practices Bill for pre-legislative scrutiny

7 June 2026

NHS England consulted on a proposal not to routinely commission masculinising or feminising hormones for under-18s

1 January 2026

De vernieuwde EHRC Code of Practice for services, public functions and associations trad op 5 augustus 2026 in werking.

1 January 2026

KCSIE 2026 says schools should not initiate social transition and must involve parents or carers in all but rare safegua

1 October 2025

NHS England called for evidence for an adult detransition pathway after finding that no defined NHS pathway existed

The latest episode

27 October 2026

The Psychology of Evil: Why Ordinary People Embrace Dangerous Ideologies with Harrison Koehli

Dr Bret Alderman talks to Harrison Koehli, editor of the new edition of Andrzej Łobaczewski's Political Ponerology, about how disordered individuals capture sincere movements and entrench institutional doctrine. The theory isn't a verdict on any UK body, but its account of dissent being discouraged and scepticism being treated as suspect echoes what Dr Hilary Cass's 2024 NHS England review found inside the Gender Identity Development Service, where an affirmative model reportedly outran its evidence base while clinicians felt unable to raise concerns. Useful as a psychological framework for readers already following the UK's gender medicine record, not as a replacement for it.

The evidence behind this episode

Recently added sources

All sources

statute

Draft Conversion Practices Bill debate (House of Commons Hansard, 25 June 2026)

judgment

Bayswater Support Group and others v Health Research Authority and another (High Court, 2026)

research

Cass Review: Evidence, Interpretation, and Implementation (British Medical Association, 2026)

report

Clinical policy: prescribing of masculinising and feminising hormones for children and adolescents (NHS England, 2026)

statute

Conversion practices draft Bill (Office for Equality and Opportunity, 2026)

statute

Draft Final Stage Impact Assessment: Bill to Ban Conversion Practice 2026 (Cabinet Office, 2026)

Why the documents matter here

British argument about gender is unusually well documented and unusually badly reported. Claims about what the Cass Review found, what the Supreme Court decided or what the schools guidance permits are repeated on both sides by people who have not read them. Each dossier quotes the document, gives the paragraph, and links the original so that the reader can check.

About this site

The conversations

The Beyond Gender podcast has interviewed many of the people named in these documents: Tavistock clinicians, the claimant in Bell v Tavistock, writers who lost work, doctors who wrote to the review. The UK companion site collects those episodes; this site holds the paperwork.

Beyond Gender UK The podcast hub Genspect

Hear the people behind these documents

Beyond Gender on YouTube