The female category in sport is for women and girls – individuals with XX chromosomes.

Identity is not biology.

To pretend otherwise is not only to make a mockery of any notion of fairness but, in the case of boxing, risk serious injury or worse.

Now, with Algeria’s Imane Khelif said to be on the verge of returning to competition, World Boxing has announced that Khelif, winner of a gold medal at the Paris Games, must take a chromosome test to prove eligibility – in its words, undergo “mandatory sex testing.”