Timelines

Youth Gender-Affirming Care Timeline.

Every recorded change in the law, destination by destination.

  • 995 Events
  • 395 Destinations
  • Since 1915
How to read this timeline

Each history starts with the first law that applied to the place, so it includes earlier states and colonial, imperial and religious law, not only today's government. A state or territory's events sit under that place.

History shows how the law got here. Today's scores follow the scoring matrix.

Every recorded event

995 events · 395 destinations

2020s100 of 773 events shown

  1. 2026

    Alabama, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  2. 2026

    Åland

    Other legal event

    Treatment seekers are referred via Aland health and medical services to hospitals in mainland Finland or Sweden. Start year of the arrangement not verified.

  3. 2026

    Alaska

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  4. 2026

    Alaska

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  5. 2026

    Alberta, Canada

    Amended

    Proclaimed in force 7 January 2026: hormone prescribing to minors for gender dysphoria only under a ministerial order, which allows continuation of earlier treatment and new prescriptions at 16 and 17 with parental,…

  6. 2026

    Arizona, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  7. 2026

    Arizona, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  8. 2026

    Arkansas, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  9. 2026

    Australian Capital Territory, Australia

    Other legal event

    Public paediatric and adult gender services, with the adult service taking people from 16. Start year not verified.

  10. 2026

    Buenos Aires City, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  11. 2026

    Buenos Aires Province, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  12. 2026

    Burgenland, Austria

    Other legal event

    The Health Minister saw no reason to change the Austrian legal position on gender-affirming treatment.

  13. 2026

    California, United States

    Policy changed

    From 13 October 2026 Medi-Cal stopped paying for puberty blockers and surgery for gender transition for under-19s and for new hormone starts, keeping hormones for existing users until 12 April 2027 and then moving them…

  14. 2026

    California, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  15. 2026

    California, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  16. 2026

    Carinthia, Austria

    Other legal event

    The Health Minister saw no reason to change the Austrian legal position on gender-affirming treatment.

  17. 2026

    Catalonia, Spain

    Introduced

    Current law: trans people have a right to pharmacological treatment and to the surgical portfolio, mental-disorder diagnostic categories may not be used and diagnostic assessments of gender identity are banned.

  18. 2026

    Catamarca, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  19. 2026

    Chaco, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  20. 2026

    Chubut, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  21. 2026

    Cocos (Keeling) Islands

    Other legal event

    Western Australian laws apply on the islands, as modified by ordinance; the year WA laws were first applied is not verified here.

  22. 2026

    Colorado, United States

    Policy changed

    Colorado Medicaid ended coverage of gender-affirming medication and surgery for under-18s from 13 October 2026 after the federal rule.

  23. 2026

    Colorado, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  24. 2026

    Colorado, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  25. 2026

    Connecticut, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  26. 2026

    Connecticut, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  27. 2026

    Cordoba, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  28. 2026

    Corrientes, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  29. 2026

    Delaware, United States

    Policy changed

    Delaware said its Medicaid programme would continue covering gender-affirming care for young people with state-only funds after the federal rule took effect on 13 October 2026.

  30. 2026

    Delaware, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  31. 2026

    Delaware, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  32. 2026

    England

    Policy changed

    Preparations for the only NHS research route to puberty blockers were paused after MHRA raised new concerns; recruitment has not started.

  33. 2026

    England

    Policy changed

    From 10 March 2026 no new prescriptions of masculinising or feminising hormones are started through the NHS Children and Young People's Gender Service; existing 16 and 17 year old patients may continue after review.

  34. 2026

    Entre Rios, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  35. 2026

    Faroe Islands

    Other legal event

    Treatment takes place in Denmark and may be funded by the Faroese health system if approved by the Danish system. Start year of the arrangement not verified.

  36. 2026

    Florida, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  37. 2026

    Formosa, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  38. 2026

    France

    Other legal event

    HAS began work on national recommendations for minors; no recommendation is yet in force.

  39. 2026

    French Guiana, France

    Other legal event

    HAS began work on national recommendations for minors; no recommendation is yet in force.

  40. 2026

    Georgia, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  41. 2026

    Guadeloupe

    Other legal event

    HAS began work on national recommendations for minors; no recommendation is yet in force.

  42. 2026

    Hawai'i

    Policy changed

    Hawai'i said its Medicaid programme would continue covering gender-affirming care for young people with state-only funds after the federal rule took effect on 13 October 2026.

  43. 2026

    Hawai'i

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  44. 2026

    Hawai'i

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  45. 2026

    Hungary

    Other legal event

    Documents that doctors require psychologist and psychiatrist opinions establishing ICD-10 F64.00, that hormones need doctor-specific off-label permits from the national public health centre with fresh opinions, and that…

  46. 2026

    Iceland

    Other legal event

    The statutory youth team allows a minimum of six to 12 months to get to know a client before deciding on interventions. 2026 is the year the page was read; the start of this rule was not verified.

  47. 2026

    Idaho, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  48. 2026

    Illinois, United States

    Policy changed

    Illinois said its Medicaid programme would continue covering gender-affirming care for young people with state-only funds after the federal rule took effect on 13 October 2026.

  49. 2026

    Illinois, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  50. 2026

    Illinois, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  51. 2026

    Indiana, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  52. 2026

    Iowa, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  53. 2026

    Ireland

    Other legal event

    The HSE is developing a new model of care for adults and young people, expected in the fourth quarter of 2026; no finalised national model of care for minors exists.

  54. 2026

    Jujuy, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  55. 2026

    Kansas, United States

    Court judgment

    Temporary statewide injunction against the medication bans in SB 63, sections 3(a)(2), 3(a)(3), 3(b)(2) and 3(b)(3); the surgery ban and funding provisions were not challenged and remain in force.

  56. 2026

    Kansas, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  57. 2026

    Kansas, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  58. 2026

    Kazakhstan

    Amended

    Amended another annex of Order No. KR DSM-203/2020 and treats the order as in force, which confirms the 2020 rules on sex change remain current; the sex change annex was not changed.

  59. 2026

    Kentucky, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  60. 2026

    La Pampa, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  61. 2026

    La Rioja, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  62. 2026

    Latvia

    Other legal event

    States that gender identity disorders are classed in ICD-10 as mental and behavioural disorders and that the diagnosis is made by a psychiatrist or a doctors' council.

  63. 2026

    Louisiana, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  64. 2026

    Lower Austria, Austria

    Other legal event

    The Health Minister saw no reason to change the Austrian legal position on gender-affirming treatment.

  65. 2026

    Maine, United States

    Policy changed

    Maine said its Medicaid programme would continue covering gender-affirming care for young people with state-only funds after the federal rule took effect on 13 October 2026.

  66. 2026

    Maine, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  67. 2026

    Maine, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  68. 2026

    Martinique

    Other legal event

    HAS began work on national recommendations for minors; no recommendation is yet in force.

  69. 2026

    Maryland, United States

    Policy changed

    Maryland said its Medicaid programme would continue covering gender-affirming care for young people with state-only funds after the federal rule took effect on 13 October 2026.

  70. 2026

    Maryland, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  71. 2026

    Maryland, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  72. 2026

    Massachusetts, United States

    Policy changed

    MassHealth made no change to gender-affirming care coverage after the federal rule and will cover any lost federal funding from the state Affirming Health Care Trust.

  73. 2026

    Massachusetts, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  74. 2026

    Massachusetts, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  75. 2026

    Mayotte

    Other legal event

    HAS began work on national recommendations for minors; no recommendation is yet in force.

  76. 2026

    Mendoza, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  77. 2026

    Michigan, United States

    Policy changed

    Michigan Medicaid ended coverage of gender-affirming care for under-18s after the federal rule.

  78. 2026

    Michigan, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  79. 2026

    Michigan, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  80. 2026

    Minnesota, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  81. 2026

    Minnesota, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  82. 2026

    Misiones, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  83. 2026

    Mississippi, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  84. 2026

  85. 2026

    Missouri, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  86. 2026

    Montana, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  87. 2026

    Montana, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  88. 2026

    Nebraska, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  89. 2026

    Nebraska, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  90. 2026

    Netherlands

    Other legal event

    Health Council found somatic treatment of young people fits the health law framework and advised revisions and monitoring; no restriction adopted.

  91. 2026

    Neuquen, Argentina

    Court judgment

    Suspended the effects of Decree 62/2025 nationwide until final judgment, restoring the original article 11 for minors.

  92. 2026

    Nevada, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  93. 2026

    Nevada, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  94. 2026

    New Brunswick, Canada

    Other legal event

    Current youth referral routes to child and youth teams and paediatricians as read for the audit. Start year not verified.

  95. 2026

    New Hampshire, United States

    Introduced

    From 1 January 2026 bars puberty blockers and cross-sex hormones for gender transition for under-18s, letting treatment begun before that date continue; HB 712 (2024) had already barred chest surgery for minors.

  96. 2026

    New Hampshire, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  97. 2026

    New Jersey, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

  98. 2026

    New Jersey, United States

    Introduced

    From 13 October 2026 state Medicaid plans may not pay for puberty blockers, cross-sex hormones or surgery for gender transition for under-18s (under-19s in separate CHIP), with a six-month taper for current hormone…

  99. 2026

    New Mexico, United States

    Policy changed

    New Mexico said its Medicaid programme would continue covering gender-affirming care for young people with state-only funds after the federal rule took effect on 13 October 2026.

  100. 2026

    New Mexico, United States

    Court judgment

    A federal court vacated the December 2025 HHS declaration that youth gender-affirming care falls below professional standards, finding HHS lacked authority to override state standards of care.

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