By Riath Al-Samarrai for the Daily Mail
Published: 16:56 BST, 18 June 2019 | Updated: 22:30 BST, 18 June 2019
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Caster Semeny has accused the IAAF of treating her like a ‘human guinea pig’ and claimed she was ‘ordered’ to have a gender verification test aged just 18 in 2009, almost immediately after winning the world 800 metres title.
The South African, now 28, has also spoken of her fears for other female athletes after the Court of Arbitration for Sport (CAS) released its detailed judgement on the landmark case that went against her last month.
Semenya’s performances slumped when she took testosterone-lowering medication between 2010 and 2015 and yesterday she gave her strongest response yet to the requirement that she must resume the treatments to compete.
Caster Semenya has lambasted the IAAF for using her as a 'human guinea pig'
The regulations are temporarily suspended due to Semenya’s appeal to the Swiss Federal Supreme Court, but if her attempt fails she will need to take the medication to compete between 400m and one mile.
In a statement after the release of the CAS judgement, she said: ‘The IAAF used me in the past as a human guinea pig, to experiment with how the medication they required me to take would affect my testosterone levels.
‘Even though the hormonal drugs made me feel constantly sick, the IAAF now wants to enforce even stricter thresholds with unknown health consequences.
‘I will not allow the IAAF to use me and my body again. But I am concerned that other female athletes will feel compelled to let the IAAF drug them and test the effectiveness and negative