K.A.
Its normal. She has very little muscle tone in her legs right now, but as she builds muscle her legs will appear straighter. Have you ever noticed a baby who has just started walking. They often walk a very obvious bow legged walk. We generally call it a diaper waddle. As they get more confident with walking and build strength in their legs they will gradually begin to walk a straighter step. Part of this is confidence and part of it is muscle build in the calves.