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Can warmed breast milk be refrigerated again?

Understanding the Safety of Refrigerating Warmed Breast Milk
When it comes to the delicate process of feeding infants, particularly with breast milk, safety is paramount. A common question among parents is whether warmed breast milk can be refrigerated again after it has been heated. The consensus among experts is clear: warmed breast milk should not be refrigerated again.
The Risks of Bacterial Growth
Breast milk is a living substance, rich in nutrients and beneficial microbes that support a baby’s immune system. However, once breast milk has been warmed, it becomes susceptible to bacterial growth. According to health guidelines, if a baby does not finish a feeding, any leftover milk should be discarded rather than saved for later use. This is primarily due to the risk of exposing infants to harmful bacteria, which can lead to foodborne illnesses .
Guidelines for Handling Warmed Breast Milk
The American Academy of Pediatrics (AAP) advises that once breast milk has been warmed or brought to room temperature, it should be consumed within two hours. After this period, the milk should be discarded to ensure the safety of the infant. While some sources suggest that it might be possible to refrigerate warmed breast milk again under certain conditions, such as using it within two hours, this practice is generally discouraged due to the potential health risks involved .
Conclusion
In summary, while the idea of refrigerating warmed breast milk may seem convenient, it poses significant health risks that parents should avoid. The best practice is to ensure that any warmed milk is consumed promptly and any leftovers are discarded. This approach not only protects the health of the baby but also aligns with the recommendations of health professionals dedicated to infant care.

Can you reheat breast milk twice according to the CDC?

Never refreeze or reheat breast milk that’s been thawed, the CDC notes. If you’re not feeding baby immediately, keep defrosted breast milk in the fridge. If you thawed it at room temperature, the milk is good for up to two hours (after that, throw it out).

What to do if baby doesn’t finish bottle of breastmilk?

If your baby did not finish the bottle, leftover milk should be used within 2 hours. Wash disassembled pump and feeding parts in a clean basin with soap and water. Do not wash directly in the sink because the germs in the sink could contaminate items. Rinse thoroughly under running water.

Can you warm milk more than once?

When we heat a jug of milk, the protein is essentially cooked, which hardens and helps trap the air to create foam. So, as you can imagine, if you proceed to heat the milk a second time, the proteins that initially facilitated the formation of the foam have already become denatured.

How long can baby milk sit out after being warmed?

Prepared infant formula can spoil if it is left out at room temperature. Use prepared infant formula within 2 hours of preparation and within one hour from when feeding begins. If you do not start to use the prepared infant formula within 2 hours, immediately store the bottle in the fridge and use it within 24 hours.

Can you put breast milk back in the fridge after warming it up?

Healthcare professionals, including lactation consultants and pediatricians, generally recommend against refrigerating breast milk again once it has been warmed. This is because once breast milk is warmed to a typical feeding temperature, bacterial growth will accelerate.

How long can breast milk stay out after warmed?

If you thaw breast milk in the refrigerator, use it within 24 hours. Start counting the 24 hours when the breast milk is completely thawed, not from the time when you took it out of the freezer. Once breast milk is brought to room temperature or warmed, use it within 2 hours.

Can I rewarm breast milk twice?

When it come to heating up breast milk, it’s generally recommended that you only reheat breast milk once, maybe twice. The reasoning for this is that each time you heat and cool the milk, it can potentially degrade the quality and nutritional value.

Can you put baby milk back in fridge after warming?

Once a bottle is prepared or taken from the fridge for feeding, use the formula within 1 hour or throw it out. You cannot re-refrigerate formula once it has been warmed or reaches room temperature. The reason experts recommend you throw away unused formula is because bacteria can begin to grow.

Can I refrigerate an unfinished bottle of breastmilk?

You can store expressed breast milk in the refrigerator overnight. Freshly expressed breast milk can be safely stored in the refrigerator for up to 4 days. However, if breast milk is left out at room temperature (above 77°F or 25°C) for more than 4 hours, it should be discarded, as it may spoil.

How long is breast milk good for after thawing in warm water?

Using thawed breastmilk
Milk thawed in the refrigerator must be used within 24 hours. Milk thawed to room temperature or warmer should ideally be used in 1 to 2 hours. If your baby didn’t finish the bottle, the leftover breastmilk can still be used within 2 hours after the baby is done feeding.

Natasha Lunn

Tash is an IBCLC and Business Coach helping fellow IBCLCs create fun, profitable businesses that are more than just an expensive hobby. Before becoming an IBCLC and starting her private practice - The Boobala, Tash graduated as an Osteopath in 2008 and has been in Private Practice in South West Sydney. She was also a volunteer Breastfeeding Counsellor and Community Educator with the Australian Breastfeeding Association for 6 years. Through her business, Your Lactation Biz, Tash coaches and creates products to help new and seasoned IBCLCs build businesses that suit their personality and lifestyle.

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