What is the relevence of testosterone:epitestosterone ratio?

Testosterone doping in sport is detected by measurement of an increased testosterone/epitestosterone (T/E) ratio in urine. The normal Testosterone (T) to Epitestosterone (E) ratio in urine varies from individual to individual and on average is one to one (1:1). This ratio does not vary significantly within an individual unless a testosterone or related preparation is consumed or injected or if some pathological condition exists. In such cases, the testosterone level can increase but epitestosterone levels tend to remain unaffected.

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Keywords: testosterone: epitestosterone ratio T/E ratio

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