The Imperial Radch Series starting with Ancillary Justice does this a bit. The main human civilization in the setting, the Radch, don't care about gender or hav

The Imperial Radch Series starting with Ancillary Justice does this a bit. The main human civilization in the setting, the Radch, don't care about gender or have a word for it. Given the widespread availability of cloning and other methods of reproduction they just don't view it as important anymore.