Glossary · Last reviewed 2026-05-16

Glossary

Clinical, methodological and institutional terms used on this site. Each definition refers to the dossier where the term is treated in most depth.

TermDefinitionDossier
Adolescent-onsetGender dysphoria first appearing around or after puberty, without a clear history in childhood.inclusion criteria
AHCAFlorida Agency for Health Care Administration.Florida review
AWMFArbeitsgemeinschaft der Wissenschaftlichen Medizinischen Fachgesellschaften (Germany).Germany
Bell v TavistockEnglish court case (2020/2021) on the competence of minors to consent to GnRHa treatment.legal cases
Cass ReviewBritish independent evaluation of adolescent gender care, final report 2024.Cass Review
CBCL / YSRChild Behavior Checklist / Youth Self-Report — standardised questionnaires for behavioural and emotional problems.follow-up
COHEREFinnish Council for Choices in Health Care.COHERE 2020
CSHCross-sex hormones — oestrogens or testosterone as gender transition treatment.the three phases
DesistanceThe fading of cross-gender identification in children before or during puberty.desistance research
DetransitionThe discontinuation of medical gender transition and (whether or not) return to identification with birth sex.detransition research
DSM-5Diagnostic and Statistical Manual of Mental Disorders, fifth edition. Contains the diagnosis "Gender Dysphoria".definition
FtMFemale-to-male — biological female transitioning as male.methodological criticism
GIDSGender Identity Development Service — former British adolescent gender service (Tavistock).UK
GnRH agonist (GnRHa)Drug that mimics gonadotrophin-releasing hormone and suppresses endogenous puberty.the three phases
GRADEGrading of Recommendations Assessment, Development and Evaluation — standard methodology for evidence grading.methodological criticism
HTAHealth Technology Assessment — systematic evaluation of medical technology.SBU 2022
Informed consent / assentConsent based on adequate information. Assent refers to agreement by minors who are not independently competent.informed consent
Karolinska policyPolicy of Karolinska Sjukhuset (Stockholm) from 2021 to prescribe puberty blockers only in research settings.Karolinska 2021
Quality StandardFormally adopted Dutch guideline (FMS, ZINL).guidelines NL
MtFMale-to-female — biological male transitioning as female.methodological criticism
NICENational Institute for Health and Care Excellence (UK).UK
PersistenceThe continuation of cross-gender identification into adolescence and adulthood.desistance research
ROGDRapid-Onset Gender Dysphoria — hypothesis on suddenly emerging dysphoria in adolescence, contested term.methodological criticism
SBUStatens beredning för medicinsk och social utvärdering (Sweden).SBU 2022
SOCStandards of Care — WPATH guideline series.WPATH SOC and DP
SkrmettiUnited States v Skrmetti — US Supreme Court case (2024–2025) on state laws banning hormone treatment of minors.legal cases
Tanner stageFive-point classification of pubertal development.age criteria
UkomStatens undersøkelseskommisjon for helse- og omsorgstjenesten (Norway).Norway
UGDSUtrecht Gender Dysphoria Scale — twelve-item questionnaire for dysphoria intensity with separate MtF and FtM versions.follow-up
Early-onsetGender dysphoria present since early childhood.inclusion criteria
VUmcVU Medical Centre, part of Amsterdam UMC since 2018.origins
WGBOWet op de geneeskundige behandelingsovereenkomst — Dutch legal framework for consent.informed consent
WPATHWorld Professional Association for Transgender Health.WPATH SOC and DP
WPATH FilesInternal WPATH discussions leaked in 2024, published by Environmental Progress.WPATH Files

See also

  • People index — key figures in research, policy and debate.
  • Timeline — chronology of publications, policy decisions and evaluations.
  • FAQ — frequently asked questions.
  • How to cite — citation examples for this site.