In this section you will find scientific and medical information that sufficiently proves that original transsexuality (NGS) is innate and can NOT be acquired.
Links:
Ein Geschlechtsunterschied im menschlichen Gehirn und seine Beziehung zur Transsexualität - Von J.-N. Zhou, M.A. Hofman, L.J. Gooren and D.F. Swaab
Male-to-female transsexuals have female neuron numbers in a limbic nucleus - F. P. Kruijver, J. N. Zhou, C. W. Pool, M. A. Hofman, L. J. Gooren, D. F. Swaab
Sexual differentiation of the Bed nucleus of the Stria Terminalis in humans may extend into adulthood - Wilson C. J. Chung, Geert J. De Vries, Dick F. Swaab
A sex difference in the hypothalamic uncinate nucleus: relationship to gender identity. - Abstract auf ncbi.nlm.nih.gov
A sex difference in the hypothalamic uncinate nucleus: relationship to gender identity. - The complete study on brain.oxfordjournals.org and here its complete pdf-file: Complete study as pdf-file
Androgen Receptor Repeat Length Polymorphism Associated with Male-to-Female Transsexualism - Abstract
Spur von Transsexualität in der "Weißen Substanz" des Gehirns - Transsexual differences caught on brain scan