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Expressing Milk

Expressing milk means taking milk from your breasts so you can feed it to your baby straight away, or store it in the fridge or freezer to use at a later time. You can express breast milk by hand or with an electric or manual pump, whichever you feel more comfortable using. Before you express milk, it's best to wait until you and your baby feel confident with breastfeeding before you start expressing milk regularly.

There are various reasons why you may need or choose to express milk, such as:

  • If your baby is premature or has problems after birth and cannot be with you, they can still have your expressed breast milk.

  • If you're returning to work or are planning on being apart from your baby. 

  • If your breasts feel uncomfortably full, or you have Mastitis.

  • Expressing is a good way to boost your milk supply.

  • Or this is your preferred method of feeding. 

Remember, practice makes perfect. It can take time to learn how to hand express and in the beginning milk can come out in all directions. Relax and don’t worry!

  • You might want to hand express breast milk (squeeze milk out of your breast) because:

    • It can be used to help your baby attach to the breast, especially if the breast is engorged.
    • It can help to boost your milk supply.
    • It is great for small amounts such as your colostrum (first milk) or showing you have some milk.
    • It can be used to clear ducts if they are blocked or you have Mastitis.
    • It can be more effective than a pump.
    • It’s free and you don’t need any equipment other than a clean bowl.
    • You need to be away from your baby, for example if they are in special care.
    • You need someone to help with feeding your baby.
    • Your baby can’t suck well yet, but you still want to give them breast milk.

    How to express by hand:

    1. Preparation - it is important to stimulate the breast by massaging, this helps the milk to flow. Spend a few minutes gently stroking the breast with the backs of your fingers or use light circular movements with your fingertips, all around the breast. Touching your nipple will also help.

    2. Location - Place your finger and thumb about 2 - 3 cm away from the base of the nipple in a 'C' shape.

    3. Expression - Keeping your finger and thumb opposite each other, squeeze and release without moving the position of your fingers. It may take a few minutes for the milk to flow and it will start as drips, then squirts, then slows down again.

    Collect the milk in a clean container. When the flow has slowed, rotate fingers around the breast and repeat the process to express milk from the whole breast. Repeat the process from step 1 on the other breast. 

  • There are many different types of breast pumps available and the one you pick will depend on your needs and budget. Some are basic handheld pumps that are useful if you occasionally pump. You can also use battery-operated pumps which do the hard work for you. These are especially useful if you are busy or work full time.

    If you have a double electric pump, you can pump both sides at the same time. Double pumping is often recommended because it cuts pumping time in half. Usually the total pumping time for each session is only 10 to 15 minutes. This may make it easier to schedule breaks at work.

    Make sure your pump and all the parts (bottles, valves, funnel etc) are clean and sterile before using them. If your baby is in hospital because they are ill or premature, your midwife will help you clean and sterilise the equipment.

  • If you have made the choice to feed your baby exclusively with expressed breastmilk here is some great advice to help you with this';

  • You may want to store some of the breast milk you have expressed to use at a later time. If you do this, make sure it is in a sterilised container ( An ice cube tray is good) or special milk storage bags – remember to label and date it. It is best to store it in small quantities so you avoid wasting any.

    Your breast milk can then be kept:

    • At the back of the fridge, not the door, for up to 8 days (at 4°C or lower)

    • In the ice compartment of the fridge for up to 2 weeks

    • In the freezer for up to 6 months

    • Freshly expressed breast milk can be stored in an insulated cooler with ice packs for up to one day

    The best way to defrost frozen breast milk is by leaving it in the fridge to thaw out completely. But if you need to defrost it by placing the bag or container in a jug of warm water, ensure you check the temperature before feeding the baby. Never defrost milk in the microwave as this is unsafe. Try not to shake it as this can alter the taste of the milk.

    Whichever way you defrost the milk, it must be used immediately (never re-freeze it).

  • Returning to work if you are still breastfeeding your baby can bring up lots of questions. If you are breastfeeding your baby you may be worried that you will have to stop this to go back to work. But you do not need to stop breastfeeding on your return to work unless you choose to do so.  
    If you are returning to work continue to breastfeed your baby before you leave and when you return - it is a lovely way to say goodbye and hello. Keep breastfeeding in the evening and through the night as this will help you produce milk to express for your baby.
    Although Parliament has still not legislated to make breastfeeding/expressing breaks in the workplace a statutory requirement, employers must meet obligations to breastfeeding employees under Health and Safety Law, Flexible Working Law and Discrimination Law. To understand more about your rights in the workplace as breastfeeding mother returning to work please *click here*.


  • *Click here* to see a form that you and your health visitor can use to identify if you are expressing milk well.

Who Can Help?

If your baby is less than 28 days old you can contact your local midwifery team or you can contact the Healthy Child Programme at any time following your baby's birth by calling Just One Number on 0300 300 0123 or texting Parentline on 07520631590.

Our opening hours are 8am-6pm Monday-Friday (excluding bank holidays) and 9am-1pm on Saturdays. Norfolk Healthy Child Programme has a team of infant feeding champions who can contact you by video call/telephone initially to discuss your questions and refer you to further help if required. All of our staff are trained to Unicef standards to provide you with the best possible breastfeeding support and advice.

It may help in the first instance to look again at our page on Positioning and Attachment and *click here* to read the Essential Guide to Feeding & Caring for your Baby. 

If you would like to make connections with other parents please click on the links for our Just One Norfolk Community Forum; the Norfolk Community Directory and Early Childhood & Family Service (ECFS) below


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