I did it when she could sit unassisted after being put in a sitting position. Seemed like she'd be learning how to do it any day now so it seemed like a good idea.
Originally Posted by Megan73
I've read that the crib mattress should be lowered to its lowest setting when baby is sitting. Does this mean sitting unassisted after being put in a sitting position or when they're able to pull themselves up to a sitting position - or both?