Introducing Bottle Feeding
How far in advance can I prepare my baby's bottles?
If you’re breastfeeding, use sealed and refrigerated breastmilk within 48 hours.
If you’re formula-feeding use formula within 1 hour at room temperature or refrigerate up to 24 hours. After feeding begins, discard any remaining formula left in the bottle within 1 hour. Once a baby has fed from a bottle, microorganisms from her mouth are introduced into the formula. Neither refrigeration nor reheating completely prevents these microorganisms from growing.
More information about preparing your baby’s bottle.
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