2D:4D finger-length ratios in children and adults with gender identity disorder
@article{Wallien20082D4DFR,
title={2D:4D finger-length ratios in children and adults with gender identity disorder},
author={Madeleine S. C. Wallien and K. Zucker and T. Steensma and P. Cohen-Kettenis},
journal={Hormones and Behavior},
year={2008},
volume={54},
pages={450-454}
}Previous research suggests that prenatal testosterone affects the 2D:4D finger ratio in humans, and it has been speculated that prenatal testosterone also affects gender identity differentiation. If both things are true, then one would expect to find an association between the 2D:4D ratio and gender identity. We measured 2D:4D in two samples of patients with gender identity disorder (GID). In Study 1, we compared the 2D:4D ratios of 96 adult male and 51 female patients with GID to that of 90… CONTINUE READING
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