A screenshot of the infants and food safety breast milk guide.

Infants and Food Safety: Breast Milk

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August 8, 2025 - <batarse3@msu.edu>

This Document is offered in: English, Arabic

Handwashing and food safety are very important for babies. Food safety for babies depends on their parents and caregivers.

Expressing

  • Express breast milk manually or use an electric breast pump.
  • Before pumping, wash your hands using warm running water, scrub with soap for at least 15 seconds and then rinse with water.
  • If using an electric pump, check the pump kit and tubing to make sure it is clean before you use it.
  • Use, refrigerate, or freeze breast milk within 4 hours of expressing.

Freezing

  • Place in storage bags designed for breast milk or use moisture-resistant, food-safe containers with secure lids.
  • Mark the containers with the date the breast milk was expressed.
  • For best quality, use the milk within 6 months, but never use it after 12 months.

Thawing

  • Use oldest breast milk first.
  • Thaw it in the refrigerator or under warm water.
  • Thawed breast milk should be used within 24 hours.
  • For best quality, use the milk within 6 months, but never use it after stored for 12 months.

Additional Tips

  • Do not mix old milk with new or fresh milk.
  • Discard of leftover milk after feeding.
  • Do not use the microwave to warm, it can be served without warming. If warming is desired, you can place the bottle under warm running water or in a bowl of warm water.

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