What practical change will the law change bring that will make male sex offenders more able to access vulnerable women?
Because it's going to have to be a situation that currently requires people to prove their femaleness by showing their birth certificate.
And I've only had to do that three times as an adult: to apply for a student loan; to apply for a passport; and to apply for a marriage licence. Not to access a female hospital ward; not to be granted access to children as a teacher; not to get into spas or changing rooms or loos.
The only thing that will change with this law is access to changed birth certificates.
I am heartened by my sixth formers who are quite strident about talking about periods. "You do it, I'm bleeding", or "I need the loo because of that thing where you poo loads on your period".
This coy secrecy is both a symptom and a cause of one fractional part of patriarchal oppression. We should stop protecting men from the ugly realities of menstruation.