Cristiane 'Cyborg' Justino has been flagged for a potential Anti-Doping Policy violation stemming from an out-of-competition sample collection this month, according to the UFC.

They claim that the potential violation stems from an out-of-competition sample collection on December 5, 2016.

In a statement today, the UFC said:  "The UFC organization was formally notified today that the U.S. Anti-Doping Agency (USADA) has informed Cristiane "Cyborg" Justino of a potential Anti-Doping Policy violation stemming from an out-of-competition sample collection on December 5, 2016.

"USADA, the independent administrator of the UFC Anti-Doping Policy, will handle the results management and appropriate adjudication of this case. It is important to note that, under the UFC Anti-Doping Policy, there is a full fair legal review process that is afforded to all athletes before any sanctions are imposed.

"Consistent with all previous potential anti-doping violations, additional information or UFC statements will be provided at the appropriate time as the process moves forward."

On Thursday evening, Cyborg told MMAFighting.com:  "What I can say now is that they are talking to my doctor, and I’m calm.

"Everybody knows I’m sick, that I’m recovering from the weight cut I had to do for the fight. What is happening is post-weight cut. Everybody knows I’m sick. They are talking to my doctor to solve this the best way.

"It's nothing bad. I'm on medical treatment."