Section III · Last reviewed 2026-05-16

International rollout

How the Dutch Protocol spread through guidelines and clinics — and how, since 2020, several countries have moved to revisions.

Summary

After the publication of the Endocrine Society guideline in 2009 and WPATH SOC-7 in 2012, the Dutch Protocol was widely adopted in Europe, North America and Australia. From 2020 onwards, several countries — Sweden, Finland, the United Kingdom and Norway — have re-evaluated practice and introduced substantial restrictions. For a direct overview: the comparative table.

Critical note

In international implementation, the Dutch Protocol has departed from the Dutch original on core points: looser inclusion criteria, a shorter diagnostic phase, lower ages at first referral, higher comorbidity. The Cass Review (2024) concludes that contemporary international practice cannot easily be justified as a "continuation of the Dutch Protocol". The picture in 2025 shows a growing gap between countries that continue the original model (including the Netherlands) and countries that are withdrawing on the basis of systematic evidence reviews.1

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Footnotes

  1. Cass H. Independent review of gender identity services for children and young people: final report. NHS England; April 2024.