The verification test requires a physical medical evaluation, and includes reports from a gynecologist, endocrinologist, psychologist, an internal medicine specialist and an expert on gender
It was not immediately clear what would happen if the test results later determine she does not meet the requirements to compete.
"I can't say that if 'X' happens in the future that we will, for example, retroactively strip results. It's legally very complex," Davies said.
"If there's a problem and it turns out that there's been a fraud ... that someone has changed sex, then obviously it would be much easier to strip results.
"However, if it's a natural thing and the athlete has always thought she's a woman or been a woman, it's not exactly cheating."
He said a decision in such instances is "done on a case by case basis."