Formula feeding information

Content supplied by NHS Choices

How often should I feed my baby?

Newborn babies may take quite small amounts of infant formula to start with. However, by the end of their first week, most will need approximately 150 to 200ml per kg of the baby’s weight per day until they are six months old. This amount will vary from baby to baby.

Although most babies gradually settle into a feeding pattern, they vary in how often they want to feed and how much they want to drink.

Feed your baby when they show signs that they want it. Babies tend to feed little and often, so they may not finish their bottle. However, a big feed does not mean that your baby will go longer between feeds.

How will I know if my baby is hungry?

After a while, you will get to know the signs that show your baby is ready to feed:

  • Your baby will start to move about as they wake up.
  • They’ll begin to move their head and mouth around.
  • Finally they’ll find something to suck, usually their fingers.

Try to feed your baby before they cry, as this is a late sign of hunger.

How do I know if my baby is getting enough infant formula?

Your baby’s weight gain and the number of wet and dirty nappies will help to inform you as to whether your baby is getting enough formula.

Your baby should produce around six wet nappies a day a few days after the birth. Nappies should be soaked  through with clear or pale yellow urine, or feel heavy.

For the first few days after birth, your baby will pass dark sticky stools (known as meconium). After the first week however, your baby should pass pale yellow or yellowish brown stools (poo).

Your baby will usually be weighed (naked) at birth and again after around five and 10 days. Once feeding is established, healthy babies need to be weighed no more than once a month up to six months of age, and again at one year.

This information should be entered on the chart in your Personal Child Health Record – also known as the PCHR or ‘red book’. If you have any questions or concerns about your baby’s weight gain, speak to your midwife or health visitor.

What do I need if I’m feeding away from home?

If you need to feed your baby away from home, take with you:

  • a measured amount of infant formula powder in a small, clean and dry container
  • a vacuum flask of hot water that’s just been boiled
  • an empty sterilised feeding bottle with cap and retaining ring in place, which can be removed when you’re ready to make up the feed

Make up a fresh feed only when your baby needs it. The water must still be hot when you use it, otherwise any bacteria in the infant formula might not be destroyed. Remember to cool the bottom half of the bottle under cold running water before you feed it to your baby.

Alternatively, you could use ready-to-feed liquid infant formula when you’re away from home.

The vacuum flask does not need to be sterilised but should be clean, and only used for your baby. The boiling water should kill any bacteria present in the flask. If the flask is full and sealed, the water will stay above 70ºC for several hours.

What if I need to transport a made-up feed?

If it is not possible to follow the advice above or if you need to transport a feed (for example, to a nursery or childminder), you should prepare the feed at home and cool it for at least one hour in the back of the fridge.

Take it out of the fridge just before you leave and carry it in a cool bag with an ice pack, and use it within four hours. If you do not have an ice pack, or access to a fridge, the made-up infant formula must be used within two hours.

  • If made-up formula is stored in a fridge, use within 24 hours.
  • If made-up formula is stored in a cool bag with an ice pack, use within 4 hours.
  • If made-up formula is stored at room temperature, use within 2 hours.

Source:

NHS Choices

Published Date 2011-04-28

Last Review Date 2010-09-30

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