BIOLOGICAL

• EVALUATION OF BIOLOGICAL EXPLANATIONS?

  + Zhou

  + Rekers

  -Cause and effect

  -Lack of continuity between child and adult gender dysphoria
• ZHOU?

  • BSTc in MtF more similar in size to BSTc in biological women
  • gender dysphoria in boys caused by 'feminine brain'
• REKERS?

  • researched pre-natal history and chromosomes analysis of boys with gender dysphoria
  • no genetic or physical abnormalities
• CAUSE AND EFFECT?

  • may cause changes in BSTc
  • not other way
• LACK OF CONTINUITY BETWEEN CHILD AND ADULT GENDER DYSPHORIA?

  • Drummond et al
  • only 12% of 25 girls who met gender dysphoria criteria in childhood met it in adulthood