Russia formed a number of Women's battalions following the February revolution, mostly for propaganda reasons. A couple of these did see combat, most notably the 1st Russian Women's Battalion of Death, who successfully pushed all the way into German territory during the Kerensky offensive.
I'm not aware of any other WWI nation utilizing women in combat roles in large numbers, though organizing them for labor on the home front was common. Certainly the US never did. The US had barely gotten its first wave of troops to Europe when the war ended.