Breastmilk Collection and Storage

When a baby is only receiving expressed milk occasionally, the type of storage container is not a major consideration; however, if a baby is receiving most of his nourishment from expressed breastmilk, the type of storage container used should be considered carefully. Polypropolene bottles or breastmilk storage bags are the best choice for storing breastmilk in the refrigerator as more of human milk's leukocytes or white cells adhere to glass. If the milk is to be frozen, glass is the preferred choice as it is less porous and offers the best protection.