Nigerian sprinter Blessing Okagbare has been charged with three offences by the Athletics Integrity Unit (AIU).
She was suspended in the course of the Tokyo Olympics after testing optimistic for a human development hormone following an out-of-competition take a look at on 19 July.
The 32-year-old later examined optimistic for an additional banned substance, recombinant erythropoietin (EPO), which will increase pink blood cell rely.
She has additionally been charged for not co-operating with the AIU’s investigation.
The AIU alleges Okagbare “didn’t adjust to a proper requirement to provide related paperwork, information and digital storage gadgets” to the investigation.
Okagbare – a rival to Nice Britain’s Dina Asher-Smith – had received her 100m warmth in Tokyo earlier than being pulled out of the Video games.
Okagbare, Olympic lengthy bounce silver medallist in Beijing in 2008, denies all the fees.