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Q18. Do All Males Who Identify As Transgender Have A Testosterone Advantage?

A18. Yes – Even those males who identify as transgender who never experience the onset of male puberty because they take puberty blockers before its onset, retain their pre-puberty testosterone advantage. The degree of their legacy advantage depends on a combination of factors including: the extent to which they have experienced puberty; whether they had a gonadectomy (surgical removal of their testes); the levels at which they maintain their circulating testosterone; and the particular sport and event in which they compete. Most importantly, even pre-puberty, males have substantial testosterone-based advantages, which begin before birth. Avoiding male puberty does not turn boys into girls. See Question 3 for a more extensive discussion.