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How long does it take for breast milk to get bad?

Understanding the Shelf Life of Breast Milk
Breast milk is a precious resource for feeding infants, rich in nutrients and antibodies that support a baby’s growth and immune system. However, like any perishable item, it has a limited shelf life, and understanding how long it remains safe for consumption is crucial for parents and caregivers.
Freshly Expressed Breast Milk
When freshly expressed, breast milk can be stored at room temperature (up to 25°C or 77°F) for up to 4 hours. This timeframe ensures that the milk retains its nutritional quality and safety for the baby. If the milk is not consumed within this period, it should be refrigerated or frozen to prevent spoilage.
Refrigerated Breast Milk
Once stored in the refrigerator, breast milk can last for up to 4 days. It’s essential to keep the milk in the back of the fridge, where the temperature is most consistent, rather than in the door, which is subject to temperature fluctuations. After this period, the milk may begin to develop an off smell or taste, indicating that it is no longer safe for the baby.
Frozen Breast Milk
For longer storage, breast milk can be frozen. When properly stored in a freezer, breast milk can last for up to 6 months. However, for optimal quality, it is recommended to use it within 3 months. It’s important to note that while freezing preserves the milk, it may lose some of its nutritional value over time.
Thawed and Reheated Milk
Once breast milk has been thawed, it should be used within 24 hours if kept in the refrigerator. If the milk has been warmed to room temperature, it should be consumed within 2 hours. Any leftover milk that has been warmed should not be refrozen or reused, as this can pose a risk of bacterial growth.
Signs of Spoilage
Parents should be vigilant for signs that breast milk has gone bad. Changes in smell, taste, or appearance can indicate spoilage. Fresh breast milk typically has a sweet smell, while spoiled milk may have a sour odor. If there is any doubt about the milk’s safety, it is best to err on the side of caution and discard it.
Conclusion
In summary, the safety and quality of breast milk depend significantly on how it is stored. Freshly expressed milk is best used within a few hours, while refrigerated milk can last several days. For long-term storage, freezing is an excellent option, but once thawed, it must be used promptly. By following these guidelines, parents can ensure that their babies receive the best nutrition without compromising safety.

What if baby drinks bad breast milk?

If your baby has had spoiled breast milk, they’ll likely let you know. They may throw up, or have an upset stomach, diarrhea or fever. It’s important to call your pediatrician if you think your baby may be sick from having spoiled breast milk.

What is the 5-5-5 rule for breast milk?

Something I recommend to moms is the 5-5-5 rule. Try and use milk within five hours at room temperature, five days in the fridge, and by five months in the freezer.

How long does it take for breast milk to spoil?

Freshly expressed breast milk can be stored in the back of the refrigerator for up to four days in clean conditions. However, it’s optimal to use or freeze the milk within three days. Deep freezer. Freshly expressed breast milk can be stored in the back of a deep freezer for up to 12 months.

How long can breast milk stay before spoiling?

After 4 days of refrigeration, your breast milk should be used or thrown away. Breast milk properties slow the growth of bad bacteria. These properties begin to decline after a few days of refrigeration. If you think you won’t use breast milk within a few days, freeze it as quickly as possible.

Does breast milk really go bad after 4 hours?

Freshly expressed milk can remain at room temperature (up to 77°F or 25°C) for up to 4 hours, or up 6 to 8 hours if very cleanly expressed; however, it is best to chill as soon as possible.

How will I know if my breast milk is spoiled?

Human breast milk can spoil just like any other kind of milk. This leads to a sharp, sour smell and flavor. There’s no way to save spoiled milk. You should be able to tell it’s spoiled by tasting a sip of it yourself.

How long before pumped breast milk goes bad?

Freshly expressed or pumped milk can be stored: At room temperature (77°F or colder) for up to 4 hours. In the refrigerator for up to 4 days. In the freezer for about 6 months is best; up to 12 months is acceptable.

What happens if a baby drinks spoiled breast milk?

They may throw up, or have an upset stomach, diarrhea or fever.

Can I combine milk from different pumping sessions?

According to experts, it is generally safe to mix breast milk from different pumping sessions, as long as the date and temperature of the milk are the same. This means that you can combine milk that you have pumped on the same day and store it in the same container.

What is the 2 hour rule for breast milk?

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.

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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