Preparation for your baby before switching to milk powder. A baby needs to adapt to a process when switching from breast milk or one type of milk powder to another. Therefore, preparation is critical. First, you should choose the appropriate brand and specification of milk powder and consult your doctor for professional advice. Secondly, changing milk powder should be implemented gradually to avoid causing discomfort in the baby. It usually takes 2 weeks to 1 month. In addition, parents should observe the baby’s reaction