[Changes of sex ratio and prevalence in transgender teenagers over the past 15 years].

Changes of sex ratio and prevalence in transgender teenagers over the past 15 years Evaluation of authors' 1434 expert opinions from 2005-2019 on transgender applicants (420 younger than 20 years old) for legal change of name and gender according to German "Law on Transsexuality" showed (1) in teenage applicants substantial changes of sex ratio from 2:1 to 10:1 in favour of transmales; (2) while prevalence of teenage transfemales during this period remained unchanged, prevalence of transmales rose significantly. According to our data, transgender teenagers are nowadays primarily natal females. Clinical and sociocultural aspects of these changes are discussed.