I think I can help, sp.
Naomi - if you'd be so kind, would you mind copy-pasting the list below and just putting an 'x' in the brackets next to the scenarios you, personally object to?
[ ] a person who was born male, but undertook gender reassignment, and is now indistinguishable from a born female, using the womens' bathroom while you (or any other women) are in it. They do not bother you or even speak to you.
[ ] a person who was born male, but in the process of undertaking gender reassignment (which takes a few years), using the womens' bathroom while you (or any other women) are in it. They do not bother you or even speak to you.
[ ] a person who was born male, and is not in the process of undertaking gender reassignment, using the womens' bathroom while you are in it because the gents is out of order and he really needs the loo. He perhaps explains his predicament, but otherwise doesn't bother you.
[ ] a person who was born male, and is not in the process of gender reassignment, using the womens' bathroom specifically to lech on and harass the women who are in there.
How's that?