The classification of transsexual and gender non-conforming people into distinct groups has been attempted since the mid-1960s.

History

During the 20th century, the Western medical community endorsed a binary concept of gender in which males and females were seen as naturally distinct in terms of gender expression. During this time, people who were assigned male at birth (AMAB) and expressed gender nonconformity were often classified into one of two subgroups.[1] One group comprised males expressing feminine traits from early childhood, along with attraction to men and the desire to become a woman; this group has been referred to as classical, type 1, or homosexual transsexuals.[2] The second group comprised males who often did not have strong cross-gendered childhoods, were often sexually attracted to women, and sought sex reassignment later in life; this group has been referred to as non-classical or heterosexual transexuals,[2] and often described as transvestites.[1] More recently, these two subgroups have been referred to as androphilic and gynephilic, respectively. Other classifications are used relative to one's gender identity rather than assigned sex.

The United States has seen increasing social trends since the early 21st century that allow for less rigid expression of one's own gender identity, and gender-nonconforming people may express a range of masculine and feminine traits. The term transgender has become more common in part to reflect such diversity of gender expression.[2]

Sex Orientation Scale (1966)

Harry Benjamin created the Sex Orientation Scale (SOS) to classify and understand various forms and subtypes of transvestism and transsexualism in biological males.[3] It was a seven-point scale with three types of transvestism, three types of transsexualism, and one category for typical males. Benjamin's scale references and uses the Kinsey scale in distinguishing between "true transsexualism" and "transvestism".

GroupTypeNameKinsey scaleConversion operation?
1ITransvestite (Pseudo)0-6Not considered in reality
1IITransvestite (Fetishistic)0-2Rejected
1IIITransvestite (True)0-2Actually rejected, but idea can be attractive
2IVTranssexual (Nonsurgical)1-4Attractive but not requested or attraction not admitted
3VTrue transsexual (Moderate intensity)4-6Requested, usually indicated
3VITrue transsexual (High intensity)6Urgently requested and usually attained; indicated

Benjamin noted, "It must be emphasized again that the remaining six types are not and never can be sharply separated."[3] Benjamin added a caveat: "It has been the intention here to point out the possibility of several conceptions and classifications of the transvestitic and the transsexual phenomenon. Future studies and observations may decide which one is likely to come closest to the truth and in this way a possible understanding of the etiology may be gained."[3]

Diagnostic and Statistical Manual (1980)

DSM-III

Gender identity disorder
Other namesGender dysphoria
SpecialtyPsychiatry

Transsexualism was included for the first time in the DSM-III in 1980.[4]

"Gender Identity Disorder" was a term created in the DSM-III in regard to transsexuals, and the categories were "GID/Children Transsexualism"; "GID/Adolescent and Adult, Non-transsexual type" and "GID/Not Otherwise Specified". Interestingly, in the major revision of the DSM, DSM-III-R, they were placed in the category "Disorders Usually First Evident in Infancy, Childhood or Adolescence". The problem was that it got lost here, as well as the issue of adult onset explained above.[5]

In the DSM-III, the terms "Homosexual", "Heterosexual", and "Asexual" were used - with quite a bit of confusion.[5] (These terms were replaced in the DSM-IV by "Attracted to males", "Attracted to Females", "Attracted to Both" and "Attracted to neither.")

DSM-III-R

The DSM-III-R, published in 1987, retained the term transsexualism.[6] It was located under "Disorders Usually First Evident in Infancy, Childhood or Adolescence".

DSM-IV and DSM-IV-TR

Gender Identity Disorder in Adolescents and Adults replaced the term transsexualism. In the DSM-IV-TR, GID is placed in the category of Sexual Disorders, with the subcategory of Gender Identity Disorders. The names were changed in DSM-IV to "Gender Identity Disorder in Children", "Gender Identity Disorder in Adolescents or Adults", and "Gender Identity Disorder Not Otherwise Specified". The DSM-IV was published in 1994 and revised (DSM-IV-TR), in a minor way, in 2000. The French translation is edited by Masson.[7]

DSM-5

In the DSM-5, gender identity disorder was replaced with gender dysphoria; the focus is no longer on identity, but on the distress that trans people may experience when their biological sexes do not line up with said identities. Persons with gender dysphoria are also no longer classified by sexuality.[8] The DSM-5 was published in 2013 in United States and in 2015 in France.

DSM-5-TR

Among other changes, the DSM-5-TR removed the terms "natal male" and "natal female", and replaced them with "individual assigned male at birth" and "individual assigned female at birth", respectively.[9] The term "cross-sex" was also removed and replaced with "gender affirming".[9]

The International Statistical Classification of Diseases and Related Health Problems (most commonly known by the abbreviation ICD) is according to its publisher, the United Nations-sponsored World Health Organization "the standard diagnostic tool for epidemiology, health management and clinical purposes."[10] It is known as a health care classification system that provides codes to classify diseases and a wide variety of signs, symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or disease. Under this system, every health condition can be assigned to a unique category and given a code, up to six characters long. Such categories can include a set of similar diseases.

The International Classification of Diseases is published by the World Health Organization (WHO) and used worldwide for morbidity and mortality statistics, reimbursement systems, and automated decision support in health care. This system is designed to promote international comparability in the collection, processing, classification, and presentation of these statistics. The ICD is a core classification of the WHO Family of International Classifications (WHO-FIC).[11]

The ICD is revised periodically and is currently in its eleventh revision. Annual minor updates and triennial major updates of the ICD are published by the WHO.[12]

ICD-10

The ICD-10 was developed in 1992 to track health statistics. The ICD is part of a "family" of guides that can be used to complement each other, including also the International Classification of Functioning, Disability and Health which focuses on the domains of functioning (disability) associated with health conditions, from both medical and social perspectives.

In the ICD-10, transsexualism is located within Gender identity disorders, F64 in ICD-10 Chapter V: Mental and behavioural disorders under the heading "Disorders of adult personality and behaviour".

ICD-11 for Mortality and Morbidity Statistics (2018)

The eleventh revision of ICD, ICD-11 was published in June 2018 by WHO [13] and was revised using Web 2.0 principles.[14] In this new major revision, ICD-11 has abolished codes F64 Gender identity disorders[15] and F65.1 Fetishistic Transvestism,[16] among other sexual practices, that used to be referred to as paraphilias.[17] The above codes have been replaced in part by code HA60 Gender incongruence of adolescence or adulthood[18], which refers to the three conditions that classify the condition of gender dysphoria.[18]

The major paradigm shift is reflected in the last sentence from code HA60: "Gender variant behavior and preferences alone are not a basis for assigning the diagnosis." This has profoundly changed the way Science and Psychology view transgender people and transexuals, as it has removed the stigma related to being referred to as people who suffer from paraphilias,[19] 132 years after Richard von Krafft-Ebing first published Psychopathia Sexualis.[20]

Blanchard's transsexualism typology

Blanchard's transsexualism typology (also Blanchard autogynephilia theory (BAT) and Blanchard's taxonomy) is a psychological typology of male-to-female transsexualism created by Ray Blanchard through the 1980s and 1990s, building on the work of his colleague, Kurt Freund. Blanchard divides male-to-female (MtF or M2F) transsexuals into two different groups: "homosexual transsexuals", who are attracted to men, and "non-homosexual transsexuals", who are "autogynephilic" (sexually aroused by the thought or image of themselves as a woman).

Scientific criticism of the research and theory has come from John Bancroft, Jaimie Veale, Larry Nuttbrock, Charles Allen Moser, and others who argue that the theory is poorly representative of MtF transsexuals, reduces gender identity to a matter of attraction, is non-instructive, and that the research cited in support of the theory has inadequate control groups or is contradicted by other data. Supporters of the theory include Anne Lawrence, J. Michael Bailey, James Cantor, and others who argue that there are significant differences between the two groups, including sexuality, age of transition, ethnicity, IQ, fetishism, and quality of adjustment.

The theory has been the subject of protests in the transsexual community, although it has its supporters. The issues with Blanchard's work were again the subject of criticism with the publication of Bailey's The Man Who Would Be Queen in 2003. In 2005, Blanchard distanced himself from Bailey's affirmation of the scientific certainty of the cause, expressing that further research was needed before said certainty could be sufficiently justified.[21]

A 2016 review found support for the predictions of Blanchard's typology that androphilic and gynephilic trans women have different brain phenotypes. It stated that although James Cantor seems to be right that Blanchard's predictions have been validated by two independent structural neuroimaging studies, there is "still only one study on nonhomosexual MtFs; to fully confirm the hypothesis, more independent studies on nonhomosexual MtFs are needed. A much better verification of the hypothesis could be supplied by a specifically designed study including homosexual and nonhomosexual MtFs." The review stated that "confirming Blanchard's prediction still needs a specifically designed comparison of homosexual MtF, homosexual male, and heterosexual male and female people."[22]

References

  1. 1 2 Serano, Julia (2020). "Autogynephilia: A scientific review, feminist analysis, and alternative 'embodiment fantasies' model". The Sociological Review. 68 (4): 764–765. doi:10.1177/0038026120934690. ISSN 0038-0261. S2CID 221097198 – via ResearchGate.
  2. 1 2 3 LeVay, Simon; Valente, Sharon M. (2003). Human sexuality. Sunderland, Mass.: Sinauer Associates. pp. 165–166. ISBN 978-0-8789-3454-6.
  3. 1 2 3 Benjamin, H. (1966). The Transsexual Phenomenon. New York: The Julian Press, page 22.
  4. ↑ American Psychiatric Association. (1980). Diagnostic and Statistical Manual of Mental Disorders (3rd ed.). Washington, D.C.: Author.
  5. 1 2 Pauly, I. B. (1993). Terminology and classification of gender identity disorders. Journal of Psychology & Human Sexuality, 5, 1-12.
  6. ↑ American Psychiatric Association. (1987). Diagnostic and Statistical Manual of Mental Disorders (3rd ed., rev.). Washington, D.C.: Author.
  7. ↑ "DSM-IV, DSM-5: Manuel diagnostique et statistique des troubles mentaux".
  8. ↑ "Gender Dysphoria: DSM-5 Reflects Shift In Perspective On Gender Identity". Huffington Post. June 4, 2013.
  9. 1 2 "Gender Dysphoria" (PDF). American Psychiatric Association. 2022. Retrieved March 24, 2023.
  10. ↑ access:June 26, 2012
  11. ↑ World Health Organization. Family of International Classifications. Accessed July 12, 2011.
  12. ↑ WHO. List of Official ICD-10 Updates.
  13. ↑ "ICD-11 Reference Guide". icd.who.int. Archived from the original on September 4, 2018. Retrieved July 20, 2018.
  14. ↑ "WHO adopts Wikipedia approach for key update". CBC News. The Canadian Press. May 2, 2007.
  15. ↑ "ICD-10 Version:2016". apps.who.int. Retrieved July 20, 2018.
  16. ↑ "ICD-10 Version:2016". apps.who.int. Retrieved July 20, 2018.
  17. ↑ "WHO takes bdsm and fetishism off the sick list - Revise F65". revisef65.net. Retrieved July 20, 2018.
  18. 1 2 "ICD-11 - Mortality and Morbidity Statistics". icd.who.int. Retrieved July 20, 2018.
  19. ↑ "ICD-11 - Mortality and Morbidity Statistics". icd.who.int. Retrieved July 20, 2018.
  20. ↑ Krafft-Ebing, R. von (Richard) (March 6, 2008). Psychopathia Sexualisavec recherches spéciales sur l'inversion sexuelle (in French). Translated by Csapo, Sigismond; Laurent, Emile.
  21. ↑ Bancroft J (2009). Human sexuality and its problems. Elsevier. pp. 291. ISBN 978-0-443-05161-6.
  22. ↑ Guillamon A, Junque C, Gómez-Gil E (October 2016). "A Review of the Status of Brain Structure Research in Transsexualism". Archives of Sexual Behavior. 45 (7): 1615–48. doi:10.1007/s10508-016-0768-5. PMC 4987404. PMID 27255307.
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