Biological explanations

Subdecks (1)

Cards (6)

  • Brain sex theory
    • Incongruence between genital development (1-2 months) and BSTc development (4-9 months)
    • Zhou et al. - BTSc volume; MTF trans in female range
    • Krujvers - BSTc neuronal number; same MTF in female range
    • Therefore, incongruence in biological development
  • Genetic basis of gender dysphoria
    • Coolidge et al. - 157 twin pairs, suggested 62% could be accounted for by genetic variance
    • Heylens et al. found 9 (39%) of their MZ twins were concordant for GD, 0 of the DZ were