I think this thread may have been revived because with April 1st, as someone else above has said, the WI yearly membership fees will be due and I think many local WIs are going to be riven and some may disappear because of the ruling about members having to declare themselves biological women at birth.
It's not straightforward, I support the comments immediately above, I know that there are biologically, men and women who are 'intersex', I don't know the proportions but I think that it's those who push who have caused the 'problem' for 'quiet transwomen and transmen' and the pushers are often politically motivated mysogynistic people and the ramifications re sport, women's spaces and so on just add to the difficulties.
It disturbs me that many women (perhaps men) are reacting with a knee-jerk response which is about a notion of freedom rather than scientific understanding. The celebrities and high level people with their trendy trans-children are muddling the waters. I have no problem with having a lesbian daughter but the number of people who have immediately corrected me with the term 'bi' infuriates me.
Men and women have always lived quietly in same sex pairs, the armed forces have always had women who signed up as male and so on, in the 70s and 80s we had comedies like the Carry On series and various tv series which publicly acknowledged that some females and males feel different and behave likewise including how they choose to dress.
It's so distressing that this has become an issue for aggressive views, medical interference, attempts to make laws about gender and ultimately more and more unhappy people.