Your milk is a living thing! It is rich in antibodies that are constantly killing off nasty bacteria. For that reason, it is very stable and remains nutritious and safe even after it’s been expressed.
You may find a wide spectrum of guidelines written about the safety of breast milk at various temperatures. It can be confusing to try to figure out which source is correct. Why is there so much variability? The simple answer is that research is conducted in controlled situations and different populations have different needs. For example, pumped milk will last longer in a refrigerator that is never opened. A hospital environment with fragile, premature babies requires that milk be handled much more carefully than a home environment with a healthy baby. Continue reading