New research on athletic performance in trans women provides an opportunity to clarify what puberty blockers actually do and reinforce the evidence on their reversibility.6 February 2026
Recent research on trans women and athletic performance has rightly received attention. It is worth taking this moment to revisit what we know about puberty blockers themselves, and to correct some of the misconceptions that have gained traction in recent debate.
The science on reversibility has been clear for some time. Puberty blockers pause the progression of puberty, allowing young people and their families time to explore their gender identity without the irreversible physical changes that would otherwise occur during adolescence. When treatment is stopped, puberty resumes its natural course.
If you would like to understand more about how puberty blockers work, what the evidence tells us, and why they matter in the care of transgender and non-binary young people, I encourage you to read the full article.