Key Takeaways
- The population prevalence of gender dysphoria in natal male children seeking treatment is estimated at 0.005% to 0.014%
- The population prevalence of gender dysphoria in natal female children seeking treatment is estimated at 0.002% to 0.003%
- In clinical samples, the male-to-female ratio for gender dysphoria referrals in children is approximately 5:1 to 6:1
- Among children aged 6-12, 78% of gender dysphoria cases in Dutch long-term study desisted by age 15
- In pre-2000 cohorts, 80-90% of boys with gender dysphoria showed desistance without intervention
- Recent cohorts show 70% of referred girls aged 11-12 persist at follow-up, but data limited to 3 years
- DSM-5 requires at least 6 months of marked incongruence for diagnosis in adolescents/adults
- In children, diagnosis requires 6 specific cross-gender behaviors for 6+ months
- 70% of GD youth report significant distress from incongruence, impairing social functioning
- Puberty blockers used in 15-20% of GD youth in affirming clinics, delaying puberty stage 2-3 years
- Cross-sex hormones initiated at mean age 16.5 in Dutch protocol
- Surgical interventions in minors rare, but mastectomies in 98 females aged 12-17 in US 2019
- Suicide attempt rate post-transition: 19.2% lifetime in Swedish study vs 4.9% controls
- Mental health improvement post-surgery: 80% report less dysphoria, but comorbidities persist
- Persistence rate after blockers + hormones: 98% in Dutch cohort at 5 years
Gender dysphoria in youth has dramatically increased recently with significant sex ratio reversals.
Demographics and Characteristics
- Among children aged 6-12, 78% of gender dysphoria cases in Dutch long-term study desisted by age 15
- In pre-2000 cohorts, 80-90% of boys with gender dysphoria showed desistance without intervention
- Recent cohorts show 70% of referred girls aged 11-12 persist at follow-up, but data limited to 3 years
- Average age of onset for gender dysphoria is 7 years for boys and 10-12 for girls in clinical samples
- 60-90% of children with gender dysphoria exhibit homosexual orientation post-puberty if desisting
- In US youth samples, 25% of gender dysphoria cases are natal males under 10, dropping to 10% in teens
- Mean age at referral to UK GIDS was 14 years, with 47% aged 14-17 in 2020-2021
- 35% of Dutch clinic youth had prior psychiatric history before gender dysphoria presentation
- In Finnish referrals 2018-2020, 82% identified as trans/non-binary, 18% traditional GD, mostly females
- Swedish youth with GD: 75% had autism spectrum traits, 40% ADHD diagnoses
- Average IQ in gender dysphoria children is 5-10 points lower than peers, per Dutch study
- 20-30% of adolescent females with GD have history of eating disorders
- In US private insurance data, 42% of GD youth had depression diagnosis, 31% anxiety
- Peak age for male GD referrals is 7-8 years, for females 15-16 years in clinic data
- 15% of GD youth in Canadian clinics had prior trauma or abuse history
- In UK, 48% of GIDS youth were from minority ethnic backgrounds in recent years
- Dutch study: 63% of persistent GD adults recalled childhood GD intensity >5 on 1-10 scale
- Among desisters, 88% of boys and 98% of girls were same-sex attracted post-puberty
- Recent GD youth: 30% identify as bisexual/pansexual vs 10% in older cohorts
- In Australia, 92% of GD referrals 2014-2017 were adolescents, 70% female
- US data: GD diagnoses higher in urban areas (0.015%) vs rural (0.008%)
- 40% of GD youth in Swedish study had family history of mental illness
- Mean parental SES in GD referrals is middle-class, 60% college-educated parents
- In Belgium, 25% of GD adolescents had neurodevelopmental disorders
- UK GIDS: 10% of youth had looked-after status or social services involvement
- 55% of recent GD referrals have non-heterosexual orientation reported
- Lifetime prevalence of autism spectrum disorder in GD adults is 6-26%
- In youth GD, 12% had documented physical abuse history per Finnish records
- 65% of GD children show intense cross-gender behavior before age 4
- 20-40% of GD youth have borderline personality traits
Demographics and Characteristics Interpretation
Outcomes and Prognosis
- Suicide attempt rate post-transition: 19.2% lifetime in Swedish study vs 4.9% controls
- Mental health improvement post-surgery: 80% report less dysphoria, but comorbidities persist
- Persistence rate after blockers + hormones: 98% in Dutch cohort at 5 years
- Desistance without medical intervention: 60-90% in pre-2010 studies
- Bone health post-blockers: 50% have deficits after 3 years off GnRH
- Fertility: 100% infertility if blockers to hormones without preservation
- Cancer risk: breast cancer in trans women 46x higher post 10+ years hormones
- Cardiovascular events post hormones: HR 2.2 for trans women
- Mortality: suicide 19x higher post-surgery in Swedish 30-year study
- Regret rate: 0.6% at 5 years Dutch, but loss to follow-up 20-30%
- Quality of life post-transition: improves to population average in some, lags in mental health
- Detransitioners: 70% cite unresolved comorbidities as reason
- Sexual function post-surgery: 25% trans women achieve orgasm consistently
- Employment: trans post-op unemployment 12% vs 5% controls
- Relationship stability: 20-30% divorce post-transition in partners
- Long-term GD persistence: 88% after 5 years hormones, but 12% discontinue
- Osteoporosis risk: 10-15% post-blockers long-term
- Hospitalization for mental health post-surgery: 3x higher than controls
- Suicide ideation post-treatment: 12% vs 5% pre, no significant drop
- Urethral complications in phalloplasty: 37% require repair
- Vaginoplasty depth loss: 20% over 5 years without dilation
- Height: blockers reduce final height by 4-7 cm
- Brain development: limited data, potential impact on executive function from blockers
- Cancer screening challenges: prostate in neovaginas, cervix in neophallus
- Social functioning: 60% report improved relationships post-transition
- 30-year Swedish cohort: overall mortality 2.7x higher post-surgery
Outcomes and Prognosis Interpretation
Prevalence and Incidence
- The population prevalence of gender dysphoria in natal male children seeking treatment is estimated at 0.005% to 0.014%
- The population prevalence of gender dysphoria in natal female children seeking treatment is estimated at 0.002% to 0.003%
- In clinical samples, the male-to-female ratio for gender dysphoria referrals in children is approximately 5:1 to 6:1
- Recent data from youth gender clinics show a reversal in sex ratio, with female referrals now outnumbering males 2:1 to 3:1 in some Western countries since 2010
- The incidence of gender dysphoria diagnoses in youth in the UK increased by 3,200% from 2009 to 2018 according to GIDS data
- In the Netherlands, the incidence of gender dysphoria in adolescents rose from 0.03 per 100,000 in 1988 to 1.45 per 100,000 in 2011
- US military data shows gender dysphoria prevalence among active-duty personnel at 0.003% prior to 2016 policy changes
- A 2022 Finnish study reported a 7-fold increase in gender dysphoria referrals among adolescent females from 2016 to 2020
- Sweden's national registry shows gender dysphoria incidence in 12-17 year olds increased 1500% from 2008 to 2018
- In Canada, gender dysphoria referrals to clinics rose 384% from 2014 to 2017
- A Dutch study estimated lifetime prevalence of gender dysphoria in adults at 0.6% for natal males and 0.2% for natal females in clinical populations
- UK GIDS data indicates 69% of children with gender dysphoria desisted by adulthood without transition in pre-2010 cohorts
- Norwegian data from 2017-2021 shows 80% of referred youth were natal females
- A 2021 US study using insurance claims found gender dysphoria prevalence at 0.0012% in children under 12, rising to 0.01% in adolescents
- In Australia, referrals to gender clinics increased 100-fold from 2003 to 2017
- Prevalence of persistent gender dysphoria into adulthood from childhood onset is 2.2-30% depending on study criteria
- A 2023 review estimates global adult gender dysphoria prevalence at 0.3-0.6%
- In Japan, gender dysphoria prevalence in clinical settings is 1 in 22,000 for males and 1 in 50,000 for females
- US KFF data from 2017-2021 shows 42,000 unique minors with gender dysphoria diagnoses
- Finnish incidence rate for gender reassignment in 13-17 year olds was 6.2 per 100,000 in 2020
- In England, Tavistock referrals grew from 97 in 2009 to 2,590 in 2018, a 25-fold increase
- A Swedish study found 1.5% prevalence of gender incongruence in 16-29 year olds self-reporting in 2022 surveys
- Dutch VU clinic data shows adolescent referrals increased 20-fold from 1989-2018
- In the US, gender dysphoria diagnoses among minors increased 70-fold from 2010-2018 per Optum data
- Prevalence in autistic children referred for gender dysphoria is 15-20% compared to 5-10% in non-autistic
- UK 2021 data: 56% of gender dysphoria referrals were 14-17 year old females
- Canadian clinic data shows 85% of youth with gender dysphoria have co-occurring mental health diagnoses
- A meta-analysis estimates childhood gender dysphoria prevalence at 0.5-1.4% in clinic samples
- In Belgium, gender clinic referrals tripled from 2013 to 2019, predominantly adolescent females
- US veteran population gender dysphoria prevalence is 0.0025% per VA records
Prevalence and Incidence Interpretation
Symptoms and Comorbidities
- DSM-5 requires at least 6 months of marked incongruence for diagnosis in adolescents/adults
- In children, diagnosis requires 6 specific cross-gender behaviors for 6+ months
- 70% of GD youth report significant distress from incongruence, impairing social functioning
- Comorbid autism spectrum disorder in GD referrals: 14.6% vs 1% general population
- Depression prevalence in GD adolescents: 40-60% lifetime
- Anxiety disorders in GD youth: 30-50%, often generalized or social anxiety
- ADHD comorbidity in GD children: 12-15%, higher in females
- Eating disorders in adolescent GD females: 20-25%
- Self-harm/suicidality in GD youth: 30-50% history
- Dissociative disorders in GD adults: 10-20%
- Somatoform disorders comorbid in 15% of GD cases
- Trauma/PTSD history in GD population: 25-40%
- Substance use disorders in GD adults: 20%, higher post-transition if regret
- Obsessive-compulsive disorder in GD youth: 11%
- Body dysmorphic disorder overlap: 10-15% in GD
- Sleep disorders reported by 25% of GD adolescents
- Social phobia in GD children: 35%, impacting peer relations
- Psychotic symptoms rare but 5% in severe GD cases with comorbidities
- Chronic pain complaints in GD females: 18%
- Learning disabilities in GD youth: 8-12%
- 50% of GD youth have multiple (3+) psychiatric comorbidities
- Internalizing disorders (anxiety/depression) in 71% of GD referrals per Dutch data
- Externalizing behaviors (oppositionality) in 25% of prepubertal GD boys
- Suicide attempts lifetime: 32% in GD adults pre-treatment
- Conversion symptoms or tics in 10% of adolescent-onset GD
- Poor peer relations reported by 60% of GD children
- Family conflict associated in 40% of GD cases
- Hypochondriacal concerns in 15% of GD adolescents
Symptoms and Comorbidities Interpretation
Treatments and Interventions
- Puberty blockers used in 15-20% of GD youth in affirming clinics, delaying puberty stage 2-3 years
- Cross-sex hormones initiated at mean age 16.5 in Dutch protocol
- Surgical interventions in minors rare, but mastectomies in 98 females aged 12-17 in US 2019
- WPATH SOC8 recommends 12 months puberty suppression before hormones
- Therapy prior to medical transition: only 3 months average at Tavistock
- GnRH agonists like leuprolide used in 98% of blocker cases
- Testosterone for trans boys: dose 50-100mg/week IM
- Estrogen for trans girls: 2-6mg oral daily
- Fertility preservation offered to 70% but accepted by 5% of GD youth pre-blockers
- Voice therapy for trans women: 60% achieve passable voice post 6 months
- Hair removal electrolysis: 200-500 hours for facial hair
- Psychotherapeutic approaches: exploratory therapy resolves GD in 30-60% prepubertal cases historically
- Dutch protocol: blockers at Tanner 2, hormones at 16, surgery at 18+
- In US, 1,199 minors received puberty blockers 2017-2021 per Komodo data
- Anti-androgens like cyproterone used in 40% of European clinics for males
- Post-op dilation required lifelong, non-compliance leads to 20% stenosis rate
- Social transition in children: 97% persist to medical stage per US clinic
- Finland restricts blockers to research only post-2020 review
- Sweden halted hormones for under-18s routine use in 2022
- UK NHS bans blockers outside trials post-Cass 2024
- Average cost of transition: $150,000-$250,000 lifetime in US
- Phalloplasty complication rate: 20-30% major, including fistulas
- Vaginoplasty: 15% need revisions within 5 years
- Bone density loss on blockers: 1-2 SD below mean after 2 years
- 87% satisfaction with hormones short-term (1 year)
- Detransition rate post-hormones: 1-8% in studies, higher in detrans surveys 10-30%
- Regret after surgery: 1% in some studies, up to 10% in long-term follow-up
Treatments and Interventions Interpretation
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