Your precious new baby has a tiny stomach so it does not take much breastmilk to fill them up. They will want to eat 8 to 12 times each day and will feel full quickly. You should know how much they will grow and need in the first two weeks of their life; babies normally gain 4-7 oz. a week for the first few weeks. Mom, you are giving an amazing gift to your baby - a gift that lasts a lifetime.