Q&A: Do I Need to Chill My Milk?
If you’ll be adding it to a container of previously frozen breast milk, then yes — chill the milk in the refrigerator for an hour or so first. Otherwise, it’s okay to go straight from breast to freezer.
Please note: The Bump and the materials and information it contains are not intended to, and do not constitute, medical or other health advice or diagnosis and should not be used as such. You should always consult with a qualified physician or health professional about your specific circumstances.