Women, children & LGB's have sex based rights.
You only mentioned one group that has “sex-based” rights. Otherwise, children are not a sex, it’s a stage of growth. Lesbian and gay are also not sexes but orientations and thus lesbian and gay people have orientation-based rights. I don’t include bi people here because, well, never mind.
I think there’s a lot of confusion about the difference between gender, sex, and orientation. At least among TERFs. And they don’t even realize they’re confused, because they seem to think they are so much smarter than everyone.