When they can verbalize that they need to go to the bathroom or can tell you they have gone to the bathroom. When they are consistent in when they poop. When they can pull their own pants up and down. When you are wondering about readiness, it is usually a good time to start introducing the potty, but not in a "you use this" kind of way. Just putting the kid potty out, letting them go with you and your DH to the bathroom while you explain what you're doing, reading books about using the potty, talking about the potty. This way, when you decide it is time to go for it, they've been introduced to the potty and it isn't frightening or brand new to them. You can also set them on the potty while you're running their bath, just to give them a feel for it before you actually expect them to use it.
at 11:40 AM on Apr. 11, 2011