> 2) The Olympic Committee recently changed their guidelines to not ask for sex but the amount of testosterone in blood. They reduced the limit to (I think) 5 nmol/l. It’s very possible for women with XX chromosomes to be around this level of testosterone. People suffering with PCOS are often around this level and that’s not even considered an intersex condition.
That was the point. The level was set based on the maximum level of a non-intersex woman, albeit one with PCOS.
It’s by the way not true that 5nmol/l is a common level. The max normal range is 2 nmol/l. Anything above 2 nmol/l you could be suffering all kinds of complciations from hirsutism to infertility, quite possibly requiring medication even with PCOS, 5 nmol/l would be an extreme level associated not with elite athletes but more likely with obesity.
The median female athlete has testosterone around 0.6 nmol/l.