Let's keep it on topic with the female testosterone topic instead of Lance.
I say establish a "norm". If you're biologically your gender at present and from birth but happened to win the lottery, you still compete normally. But, records keeping has an asterisk set and a set without asterisks.
Maybe not the best idea, but it's all I've got.
It's ridiculous to force someone born the way they are that is actually clean to take drugs to normalize themselves.