"Sources said the presentation by Thornton, a Canadian former Olympic rower, stated that scientific evidence showed there were physical advantages to being born male that remained with athletes, including those who had taken treatment to reduce testosterone levels.
“It was a very scientific, factual and unemotional presentation which quite clearly laid out the evidence,” one source said. Another IOC insider said there had been hugely positive feedback from IOC members about the presentation."
IOC will limit women's sports to women following "a science-based review of evidence about permanent physical advantages of being born male."