Testosterone and Transgender Athletic Performance : Finding a path for inclusion for transgender athletes

Testosterone and female sports Participation in exercise and sports has many health benefits and all people should have the opportunity to participate. After puberty, testosterone gives male athletes a competitive advantage over female athletes. Because of this, female sports are considered a protected category to ensure fairness in competition. However, this does not account for […]

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Call for Drs Bermon and Garnier to share anonymised underlying performance data

(This version of the blog was copyedited for clarity and to add an explanatory note below on May 22nd and June 1st by Editor Karim Khan. Previous versions available). We respectfully ask Drs Bermon and Garnier (2017, hereafter BG17) to share the underlying athletes’ performance data summarised in their British Journal of Sports Medicine (BJSM) study.[1] […]

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New Eligibility Regulations for female athletes with “Differences of Sex Differentiation”

By Simon Franklin, Jonathan Ospina Betancurt @JonathanOspinaB and Dr Silvia Camporesi @silviacamporesi  New Eligibility Regulations for female athletes with “Differences of Sex Differentiation” have been put forward by the International Association of Athletics Federations (IAAF) today (26 April 2018) (https://www.iaaf.org/news/press-release/eligibility-regulations-for-female-classifica). The regulations say that athletes, including Semenya, will have to reduce and then maintain their testosterone levels […]

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Time to dispense with the male/female binary in sport? Analysis of the cases of Laurel Hubbard and Mack Beggs

  By Lynley Anderson, Taryn Knox and Alison Heather International media has reported on Laurel Hubbard, a 39 year old trans-woman weightlifter who has been named in the New Zealand Commonwealth Games team to compete in Australia in 2018. Hubbard is the first New Zealand weightlifter to medal at any world championships and is the first transgender athlete […]

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