How to Heat Up Breast Milk: A Comprehensive Guide in 2023

How to Heat Up Breast Milk

Giving your infant the finest nourishment possible is one of your top priorities as a parent. Breast milk is a priceless source of antibodies and critical nutrients that help your baby’s immune system and growth. Knowing how to cook breast milk correctly is essential to keeping its nutritional value, whether you’re utilizing stored breast milk or thawing frozen milk. This detailed blog will guide you on how to heat up breast milk so that your baby can benefit from all of its nutrients.

Why Properly Heating Breast Milk Matters

Breast milk is a multifaceted fluid that includes a variety of nutrients, enzymes, and immune-stimulating elements. Inadequate heating might cause nutritional loss and even endanger the unborn child. Breast milk can lose important components, such as digestive enzymes and antibodies, when it is overheated. Furthermore, giving your infant heated milk runs the risk of burning his or her tender mouth and throat.

Supplies and Equipment Required

Before we delve into the methods of heating breast milk, let’s get the necessary equipment:

  • Breast milk storage bags or containers
  • Bottle warmer
  • Microwave-safe containers
  • Digital thermometer
  • Timer

Safe Breast Milk Storage

How to Heat Up Breast Milk

The basis for preserving breast milk‘s quality is proper storage. Sterilized containers should be used to store newly extracted breast milk. Breast milk may be safely stored in the refrigerator for up to four days and in the freezer for six to twelve months. To guarantee that you use the oldest milk first, mark the containers with the date.

How to Heat Up Breast Milk?

Bottle Warmer

One of the most effective methods to heat breast milk is by using a bottle warmer. It minimizes nutrition loss by maintaining a constant temperature during the warming process. This is how:

  • Water should be poured into the bottle warmer’s reservoir.
  • Set the warmer’s temperature in accordance with the manufacturer’s recommendations and place the breast milk container inside.
  • Wait until the milk is heated evenly, then gently stir it to spread any temperature fluctuations.

Bathe in warm water

In the absence of a bottle warmer, a warm water bath can be effective.

  • Fill a bowl or basin with warm water.
  • Make sure the breast milk bottle is thoroughly submerged in the water before submerging it.
  • Allow the milk to sit for a few minutes, gently stirring it now and again, until it reaches the proper temperature.


The microwave can be used, although it’s not the best option.

  • Put the breast milk in a jar that can be used in a microwave.
  • To prevent overheating, use brief intervals (15–20 seconds) at a low power setting.
  • After each interval, stir the milk to properly spread the heat.
  • To avoid hotspots, always check the temperature before feeding.


The stovetop method is a traditional way to heat breast milk.

  • Fill a saucepan with warm water and place it on low heat.
  • Put the breast milk container inside a plastic bag to prevent water from entering.
  • Submerge the bag in the warm water and monitor the temperature closely.

Temperature Monitoring

The ideal temperature must be maintained. 98.6°F (37°C) is a good target since it is close to body temperature. Make sure the milk temperature is within the safe range by measuring it with a digital thermometer.

Avoiding Common Errors

  • Overheating: Avoid overheating to keep nutrients from being lost.
  • Boiling Water: Avoid immediately boiling breast milk since it might lose important nutrients.
  • Direct Microwave: Stir the breast milk before placing it in the microwave to prevent uneven cooking.

Temperature measurement

How to Heat Up Breast Milk

By dabbing a few drops of the milk on the inside of your wrist, you can check the milk’s temperature before feeding your baby. It shouldn’t be scorching, but warm enough to feel cozy.

Feeding Preheated Breast Milk

To evenly spread any heat irregularities, gently swirl the hot breast milk. Check the temperature again before giving it to your child.

Guidelines for Waste Prevention

Breast milk that has been warmed can be stored at room temperature for around two hours. If your infant doesn’t finish a feeding, throw away any leftover milk to stop the formation of germs.


Every parent has to be able to properly heat breast milk. You can make sure your kid obtains the most advantages from breast milk while reducing the danger of nutritional loss and burns by using these techniques and recommendations. Remember that your baby’s health and comfort come first, and that you are showing your concern for their welfare by taking the time to cook breast milk properly.

Related: How to Thaw Frozen Breast Milk Quickly at Parental Solution

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