Thank you for the replies. I have questions to try and think this through.
So for some commenting, the term 'sex' is preferable to 'gender' even if not technically the correct term. Partly because using the term gender means we wouldn't reliably know the sex of anyone responding as we can't determine who is identifying as female despite being born male, or vice versa. Is that right?
Whereas using the term 'sex' and including Male, Female and Transgender, will help analyse responses of people born male or female as well as knowing who is born either male or female but feels that this category doesn't sit comfortably.
Charleston, I take your point regarding having only male / female as maybe leading to skewing of stats.
ROwan, I that agree respecting gender identity and acknowledging sex are not incompatible. I can see the point that a lot of you make re this being a step in the right direction but that it needs follow up questions. I haven't got a better suggestion as to how to phrase it.
Batteries. I know the leaflet isn't a teaching aid but it made me question my understanding.I find it disconcerting as the more I read the less it seems I understand. Do you find my response OTT in that you think I am overthinking it?
Ghoulda, I am not offended. Just confused.