Skip to main content

We use strictly necessary cookies to make our site work. We would also like to set optional cookies (analytical, functional and YouTube) to enhance and improve our service. You can opt-out of these cookies. By clicking “Accept All Cookies” you can agree to the use of all cookies.

Cookies Statement and Privacy Statement

COVID-19 (coronavirus): restrictions are in place nationwide. Get advice to stop the spread 

Breastfeeding - Block feeding

You may have problems with leaking breasts and feel like you have an oversupply of breast milk. If so, you may want to try block feeding.

Wait until you have been breastfeeding for a while before trying block feeding. You can try this when your baby is around 6 weeks old.

Block feeding

You will use only one of your breasts for feeding for a set amount of time

How to get started:

  1. Start with a 3-hour block of time.
  2. Any time when your baby is hungry during that block, nurse them on the same side.
  3. Switch to the other breast for the next 3-hour period.
  4. Express just for comfort if the unused breast feels too full.
  5. If you don’t notice an improvement after doing this for several days, increase the number of hours in your block.
  6. You may find that they need to go up to 5 or 6 hours in a block.
  7. If you have any difficulty, talk to a lactation consultant.

Expressing your breast milk

With block feeding, you are allowing one breast to remain full. If you feel pain or are uncomfortably full, try expressing the full breast a little for comfort. This will help to avoid any problems like blocked ducts or mastitis. A blocked duct is more likely if milk isn’t being removed fully enough.

Related topic

Expressing breast milk

How block feeding helps oversupply

When the breast stays full for 3 to 6 hours, your body releases the opposite to milk making hormones (FIL hormones). They tell your body to slow down the milk production. Over a week or so doing this can calm down an overactive milk supply.

Getting support

Get help and advice about overactive breast milk supply from:

Find a breastfeeding support group near you

page last reviewed: 19/03/2019
next review due: 19/03/2022

Find support services