The girls are now in pull-ups. This is because it is much easier to get them on and off the potty this way. We are not pushing it yet. Hubby just asks if they need to go to potty and we are encouraging sitting on the potty. It is interesting because many times M seems so ready! And then other times, she really doesn't. For example, yesterday she was sitting on the potty and told hubby to look, said "peepee" then opened her legs and started peeing. So, this led me to believe that she does somewhat know the feeling of having to pee. However, other times, she just goes in her pull-up. No warning.
Next week, when I'm done with work, I will try M in the undies. S isn't quite ready yet. I think I may get a sticker chart too.