Coming back to my earlier point about the different groups, @ButterflyHatched, I would suggest the following solution.
Group 1: All adult humans of the female (i.e. childbearing) biological sex, regardless of whether or not they have any kind of gender identity. (This group expressly excludes all males, regardless of gender identity.)
Group 2: Most adult humans of the female (i.e. childbearing) biological sex, including all those who have a female gender identity, those who have no gender identity and those who have never heard the term "gender identity" but excluding adult humans of the female biological sex who believe they identify as something other than female and including adult humans of the male biological sex who believe they identify as female.
Group 3: All adults of the male biological sex who believe they identify as [whatever it is they are identifying with], plus all adults of the female biological sex who agree that they share that same identity.
Group 2 is struck out because it is not a real group that actually exists, many people included within it do not wish to be, and we do not need a word for it. As stated above, it is a group of people with nothing in common and there are no situations where we need to discuss this imaginary group of people or make separate provision for them.
Group 1 retains the word "women", as per the regular usage of this word for the last 1000 years or so.
Group 3 get their heads together, agree on what it is they are identifying with, and come up with their own word for that. If they believe they need their own toilets, rape crisis groups and sporting categories they can campaign for them, without taking these things away from Group 1.
@ButterflyHatched Do you have any objection to the above solution? If so, what is it?