Trans and DSD athletes must be treated with respect, and the new testing regime must be run with sensitivity. But this is a step forward, says Guardian sports writer Tanya Aldred

Sports bans have humiliated trans women and girls across America. Now, the Olympics joins in

Trans and DSD athletes must be treated with respect, and the new testing regime must be run with sensitivity. But this is a step forward, says Guardian sports writer Tanya Aldred