The sex class “Female” is being bulldozed out of existence. Every day we see myriad examples, a little more ground being lost. It began with a few concessions here and there, a few changes to our language, a slight bend in the law, and it has snowballed with such breath-taking speed and momentum that very few people even realised it was happening. And now we talk of female penises and put rapists in women’s prisons.