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All background articles on the concept of gender identity: the critique, the research and the history — examined critically.
New study: Victimization is an independent risk factor for suicidal thoughts, alongside gender identity
An American study of more than 300,000 school students (DeCamp, 2026) finds that victimization—being bullied or threatened—is an independent, measurable risk factor for suicidal thoughts, separate from transgender identity. What this means for the “transition saves lives” argument.
Instruments for measuring gender: only 3 of 26 received a high quality score
A systematic review in Biomedical Engineering OnLine (May 2026) assessed 34 instruments for sex and gender attributes in research in adults. Only 3 of the 26 gender instruments received a high quality rating, and only one has also been validated in non-binary participants.
Sociologist examines how ‘gender identity’ slips into research as a presupposition
A peer-reviewed analysis in Theory and Society shows how shared ideological assumptions shape gender research—not through fraud, but by treating 'gender identity' as an established fact in the framing of questions, methodology, and interpretation.
One Autobiography as Evidence for a New Gender Identity Theory? A Frontiers Paper Shows How Thin the Scientific Foundation Is
A peer-reviewed article in Frontiers in Psychology (March 2026) presents an “Extended Theory of Trans-Identity” with a fourth, new dimension: identity formed through creative expression. Its basis: a close reading of a single autobiography. What this says about the evidence base behind the concept of gender identity.
No More Expert Statements: What the Transgender Act Actually Claims About Gender Identity
A narrow majority in the House of Representatives wants to revive the transgender law that would abolish the expert statement required for legal sex registration. The debate inadvertently exposes what the entire proposal rests on: the assumption that gender identity is a fact that only the individual concerned can determine.
Gender Ideology as Eternal Youth: What Jungian Author Bret Alderman Sees in Butler and Derrida
Jungian author Bret Alderman interprets the postmodernism of Judith Butler and Jacques Derrida as an archetypal pattern: the eternal youth who refuses to accept boundaries and embodiment. A philosophical and psychological interpretation, not clinical evidence.
New Book by Sociologist Brubaker Analyzes “Gender Identity” as a Social Category, Not a Fact
Rogers Brubaker’s book Gender Identity: The Career of a Category (Polity, 2026) approaches gender identity sociologically: not as a fixed inner fact, but as a category that only acquires meaning through what people and institutions do with it. A clear-eyed perspective that sidesteps the philosophical debate over “what gender identity is.”
Why More and More Boys Identify as Transgender, According to a Clinical Psychologist
In a conversation with Sarah Mittermaier, clinical psychologist Joe Burgo explains why more and more boys and young men are identifying as transgender—not as an innate identity, but as a response to a culture that has abandoned masculinity.
Zucker (2026): Mothers and daughters remember childhood gender behavior differently
A new study by clinical psychologist Kenneth Zucker compares what mothers and their adolescent daughters remember about gender-nonconforming behavior in childhood — with a striking discrepancy as a result.
Three German states want to fix self-identification law after two embarrassing cases
Saxony, Saxony-Anhalt and Thuringia wanted to tighten Germany's self-identification law after two high-profile cases raised suspicion of abuse; in June 2026 the states' justice ministers asked the federal government for a legislative proposal.
Conversion Act: identity as a legal premise and the consequences
The Conversion Practices Act elevates gender identity to a legal presupposition. That clashes with developmental psychology and proportionality.
Zhou Brain Research (1995): BSTc and the limitations
The Zhou study (1995) on BSTc volume is often cited for "trans brains". The study was small and examined brains of people who had used hormones.
Yogyakarta Principles (2006, 2017): legal rollout
The Yogyakarta Principles (2006, supplemented 2017) are not a treaty but a document by human rights experts. How they are used in policy on self-identification.
WPATH SOC: from SOC1 (1979) to SOC8 (2022)
The WPATH Standards of Care went from SOC1 (1979) to SOC8 (2022). What changed in each version and what the Cass Review writes about SOC8.
WPATH Files (2024): lobbying and conflicts of interest
The WPATH Files (2024) are leaked messages from an internal WPATH forum. What they contain, what Environmental Progress concludes and what Cass writes about WPATH.
What is gender identity? Definition and problematization
Gender identity is not a measurable biological fact: there is no marker and no objective test. Definition, origin and criticism.
Criticism of the Dutch Protocol (VUmc/Cohen-Kettenis)
The Dutch Protocol (Cohen-Kettenis, De Vries) became the international model for puberty suppression. What the studies show and what the critics say.
Virginia Prince, crossdressing and the term "transgender"
Virginia Prince (1912-2009), an American cross-dresser and publisher, helped popularise the term transgender for people living as women without surgery.
Irrefutable — therefore not science
A claim that nothing can disprove is, according to this criticism, not science but belief. Critics therefore say that "gender identity" is not a testable fact.
Tavistock GIDS closure — Bell v. Tavistock + Cass
The Tavistock gender clinic (GIDS) closed in March 2024, after the Bell v. Tavistock case and the interim report of the Cass Review.
Social constructionism: arguments and limits
Social constructionism on gender: arguments, limits, and internal contradictions. Not everything socially shaped is therefore real.
Sex versus gender: a blurred distinction
Sex and gender were once clearly distinguished; today they are often used interchangeably in policy and law. An analysis of the conceptual problem.
Self-report as the basis of gender identity
For gender identity, self-report is the main source of information. What that means for diagnosis and what the Cass Review writes about it.
SBU report Sweden and Karolinska policy
The SBU report (2022), the Karolinska decision (2021) and Socialstyrelsen: how Sweden limited hormonal treatment of minors to research and exceptional cases.
Robert Stoller and "core gender identity" (1968)
Robert Stoller developed the concept of core gender identity in 1968: a psychoanalytic hypothesis that has never been empirically confirmed.
Desistance: what follow-up studies say
Follow-up studies of children referred before puberty: in most, gender dysphoria did not persist. What these studies do and do not show.
Regret figures and methodological problems
The often-cited 1-2% regret figure rests on studies with short follow-up and a narrow definition of regret; the Cass Review says the true rate is hard to establish.
Queer theory: academic anchoring since 1990
Queer theory emerged in 1990 as an academic movement. It works with textual analysis and political critique and yields no testable hypotheses. What that means.
Publication bias and scientific controversies in gender medicine
Research in gender medicine has seen several controversies: unpublished data, a retracted paper and disagreement over systematic reviews. What the sources say.
Performative speech act: Butler analyzes
Butler's "I declare myself" creates no biology. The performative act of speech as word magic — and an internal contradiction of activism.
Origin of the concept of gender identity
Gender identity grew from a clinical working definition into a dogma: Money's 'gender role' (1955), Stoller's 'core gender identity' (1968) and the Reimer case.
Ontology of identity: what "identity" is philosophically
Gender identity confuses numerical, qualitative, and narrative identity — and demands legal consequences from a mere self-narrative.
The Norwegian Ukom report (2023) on gender care for young people
Ukom (Norway, 2023) finds knowledge about gender care for young people insufficient and recommends classifying blockers and hormones as experimental treatment.
No measurable marker for gender identity
There is no measurable biological marker for gender identity: hormones, brain scans and genetic research have produced no validated test.
No genetic marker for gender identity
No genetic marker for gender identity has been established. What twin studies and genetic research show, and what remains uncertain.
No brain marker for gender identity
Brain research provides no reliable marker of gender identity. Zhou's BSTc study rests on only six brains and has clear limitations.
NICE evidence review (2020) on puberty blockers
The NICE evidence reviews (2020) rated the evidence for puberty blockers and cross-sex hormones in young people with gender dysphoria as of very low certainty.
Natural kind: is gender a natural kind?
Gender is not a natural kind à la Kripke/Putnam. Woman is a biological species; gender identity an empty collection.
Gender identity as a metaphysical claim
Gender identity is a metaphysical claim — a secular soul without marker or proof. Creed sold as science.
Magnus Hirschfeld and the Berlin Institute (1919)
Hirschfeld founded the Institut für Sexualwissenschaft in 1919 and coined Transsexualismus. First medical interventions and problematic legacy.
Rapid-Onset Gender Dysphoria (Littman 2018)
Lisa Littman (2018) formulated, from parent reports, the hypothesis of rapid-onset gender dysphoria in young people. What the study and its correction say.
Language analysis: what "gender" actually means
Etymologically, "gender" simply means "kind". From a philosophy of language perspective, the current extension to inner essence is untenable.
Judith Butler and "Gender Trouble" (1990)
In 1990 Judith Butler described gender as performativity: a philosophical construct from Gender Trouble, not a scientific discovery and not a basis for medical evidence.
John Money: Gender as Learned and the Reimer Case
John Money was involved in the David/Brenda Reimer case. He presented it as a success, but Reimer rejected being raised as a girl; the case ended in tragedy.
ICD evolution: from F64.0 to HA60 (ICD-11, 2019)
ICD-11 moved gender incongruence (HA60) out of the mental disorders chapter. What changed, why the WHO did it and what the Cass Review says about it.
Harry Benjamin: Benjamin Scale and first transgender care
Harry Benjamin published The Transsexual Phenomenon and the Benjamin Scale in 1966. He laid the foundation for current medical transgender care.
Foucault, power, discourse and sexuality
Foucault analyzed sexuality as historical discourse and a mechanism of power. His work provided the philosophical building blocks for queer theory.
Feminist critique of gender identity
Gender-critical feminism defends women as a biological class. Stock, Joyce, and Lawford-Smith on identity-as-replacement.
Evidence-based objection to affirmative care
The scientific standard for gender-affirmative care is low to very low. Systematic reviews indicate this.
European rollout: EU guidelines and variation between countries
Europe broadly provided transgender care from 2010. Since 2020, Sweden, Finland, Norway, and the UK have been returning to more cautious practices.
Essentialism versus constructionism: a contradiction
Trans-ideology aims for both constructionism and essentialism. Incoherent — but rhetorically effective. The doctrine is shooting itself in the foot.
Dutch rollout: the Dutch Protocol and its international influence
The Dutch Protocol (Cohen-Kettenis, Utrecht) was taken up internationally on the basis of a small study. Its evidence base is now under scrutiny.
DSM evolution: from transsexualism (1980) to gender dysphoria (2013)
The DSM shifted from transsexualism (1980) via gender identity disorder (1994) to gender dysphoria (2013). Since 2013, the diagnosis has focused on distress, not on identity.
Spread since 2010: sharp rise in referrals and the ROGD hypothesis
From 2010, referrals to gender clinics rose sharply, mostly among adolescent girls. The reasons are unknown; Littman's ROGD hypothesis is one proposed explanation.
Rollout from 2000: pediatric rollout
From 2000 the Dutch approach to puberty suppression in young people with gender dysphoria spread internationally, on a weak evidence base.
Spread from 1990: first clinical practice
From 1990, care for transgender people existed in only a few centers, with small numbers of patients and small outcome studies.
Detransition research (Vandenbussche, Littman, Boyd)
What research on detransition (Vandenbussche, Littman, Boyd) shows: small, mostly self-selected samples, widely differing percentages and an unknown true scale.
Denial of reality: boundary of self-naming
Self-identification has limits — Otherkin, transabled, trans-racial, age-transition as reductio. Not everything that is felt is true.
Danish policy on youth gender care: more cautious than before
What Danish doctors wrote in 2023 about youth gender care: far fewer hormone treatments than before, psychiatric evaluation first, and attention to duration.
COHERE Directive Finland (2020)
The Finnish COHERE recommendation (2020) names psychosocial support and, where necessary, psychotherapy as the first-line treatment for gender dysphoria in minors.
Circular reasoning in gender identity
Gender identity is circular reasoning: "I feel X, therefore I am X" — not science but a creed. The claim is its own proof.
Chromosomes and gametes: sex in biology
In mammals, the SRY gene on the Y chromosome determines gamete development. Sex follows from the reproductive role.
Cass Review on puberty blockers: no evidence that they buy time to think
What the Cass Review and the York review conclude on puberty blockers: 50 studies, one of high quality, and nearly all young people go on to hormones.
Cass Review: Hilary Cass's NHS report (2024)
The Cass Review (NHS, April 2024) calls the evidence on how best to support young people with gender dysphoria remarkably weak. Overview of the conclusions.
Cass Review on co-occurring problems: autism, ADHD, depression and anxiety
What the Cass Review reports on autism, ADHD, depression and anxiety in young people referred to a gender clinic, with the figures from the York review.
Cass Review on cross-sex hormones: much uncertainty, little long-term evidence
What the Cass Review and the York review found on cross-sex hormones in young people: 53 studies, only one of high quality, and a lot of uncertainty.
Blanchard typology: two routes to transsexuality
Ray Blanchard's typology (1989) distinguishes two separate routes to male transsexuality; the theory is contested, as research found both support and contradiction.
Biological sex: the gamete definition
Biological sex is defined by reproductive role: small or large gamete. Binary, observable, immutable.
Being versus feeling: distinguishing fact and feeling
Feeling is not a fact. Anorexia patients feel fat and are thin — with gender, that same category error is enforced as truth.
Autogynephilia: Blanchard's theory and its critics
Autogynephilia is Blanchard's term for sexual arousal at the thought of oneself as a woman. The theory is contested: some studies support it, others criticise it.
US rollout: WPATH, clinics, and federal policy
The US rollout of transgender care: Boston Children, Planned Parenthood, federal guidelines under Biden, rollback under Trump-2.