Mothers can express breast milk by hand or with a manual or electric pump. If using a pump, inspect the pump kit and tubing to make sure it is clean. Discard and replace moldy tubing immediately.Use breast milk storage bags or clean, food-grade containers to store expressed breast milk. Make sure the containers are made of glass or plastic and have tight fitting lids.Avoid bottles with the recycle symbol number 7, which indicates that the container may be made of a BPA-containing plastic.Never s