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Taking care of milk expressing equipment

Note: The information featured on this page is currently under review, and will be updated in due course. Please ensure that you speak with your health care professional about any queries you may have about the issues covered here.

If you are using a breast pump for extended periods of time, it is important to maintain your machine and equipment.

It is always a good idea to check the tubing and funnels, as a milky residue can slowly build up, making points of connection less snug.

Making sure that equipment is extra clean after every session can reduce the loss of pressure and will ensure that your milk is not contaminated by germs.

Sterilising your equipment
Breast milk is a complex fluid, which requires careful collection and handling.

  • Always wash your hands thoroughly before collecting milk. 
  • Wash the milk collection attachments and bottle in warm soapy water when you have finished expressing and scrub with a bottle brush. 
  • In hospital: follow the hospital guidelines for sterilising. 
  • At home: sterilise the milk collection attachments and bottle by heat sterilisation with a steam unit or microwave kit (always follow the manufacturer’s instructions, and check that your equipment is microwave-friendly). Utensils can also be soaked in a cold water sterilising solution.

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