

There are several types of GC-MS testing, including that used for bio-passsport data, which examines samples for levels of certain AAS that are naturally produced by the body. Samples are also screened via a method called gas chromatography-mass spectrometry (GC-MS). An out-of-range result triggers more analysis.

The cheapest, most basic approach simply looks at ratios of testosterone to other steroid hormones, like epitestosterone.
KATIE COMPTON GIF FULL
Per World Anti-Doping Agency (WADA) protocols, samples are screened via several methods not every sample gets the full battery of tests. In anti-doping, anabolic-androgenic steroids (AAS) are tested via urine samples.

How’s that possible? It’s how the process works sometimes. From what she said, the initial anti-doping test was negative, but the sample was later re-tested and came up positive. In her statement, Compton said she tested positive in a re-test of an out-of-competition test sample from September 2020. Play icon The triangle icon that indicates to play Here’s what we (probably) know
