Help! I've been storing extra pumped milk in our upright freezer (I believe it's set to 4 degrees F) for almost 3 months. I just did a little research on how long frozen milk can last in an upright freezer, and found that I may have a little bit of a problem... I've been storing it in the door shelves, and the freezer is an auto-defrost one (which I didn't realize until researching the milk question). I'll be moving the stored milk to a middle shelf today, away from the walls, but I'm not sure whether that will help extend the storage time of what's already in there to 6 months, or if I need to start using it up now (I'd rather hold off and keep giving my LO fresh milk for now, if I can).
Has anyone experienced this? Were you able to extend the storage time, or did you find your milk started going bad sooner than you expected because of being in the door?