Cluster feeding: what's normal and when it ends

What cluster feeding is

Cluster feeding is when your baby wants to feed even more often than usual, sometimes constantly, over a period of time (NHS). Feeds bunch together, with only short breaks in between. The CDC says some babies feed as often as every hour at times, and the USDA says some want to feed every 30 minutes to an hour in the evenings.

It can feel as if you’re doing nothing but feeding. The NHS says cluster feeding is very normal and nothing to be concerned about.

When it happens

• In the early months. The NHS says cluster feeding usually happens during the first 3 to 4 months.
• In the evenings. Babies are often fussier in the evenings and want to feed more often than during the day. The USDA says this may be your baby’s way of filling up before a longer sleep. It can happen during the night too, or both (NHS).
• During growth spurts. Babies have several growth spurts in the first year. The USDA says they typically come at around 2 to 3 weeks, 6 weeks, 3 months and 6 months, though every baby is different and they can happen at any time. During a growth spurt, your baby may feed longer and more often for a few days (NHS, USDA).

When does it end?

A growth spurt usually settles within a few days. With a growth spurt, the NHS says things should be back to normal once your milk supply catches up with demand, and the USDA says growth spurts usually last a few days.

Evening cluster feeding is different: it can come and go through the first 3 to 4 months (NHS). The USDA says feeding every 30 minutes to an hour in the evenings is normal and doesn’t mean your baby isn’t getting enough milk.

Over the longer run, feeds space out as your baby grows. The CDC says that over the first weeks and months the time between feeds gets longer, and most exclusively breastfed babies feed about 8 to 12 times in 24 hours. A growth spurt later on can still bring a few busier days back.

There’s no exact date when it stops, and some babies hardly cluster feed at all.

Why it happens, and why it’s OK

For breastfed babies, frequent feeding is how your baby asks for more milk. The USDA explains that the more your baby feeds, the more milk your body makes, and once your supply increases you’ll likely be back to your usual routine. During a growth spurt, the USDA says, you’re probably making enough milk: follow your baby’s lead.

The NHS says not to worry about feeding your baby too often: it’s impossible to breastfeed a baby too much.

Formula-fed and bottle-fed babies

Bottle-fed babies can cluster feed too. The NHS says it’s fine to cluster feed formula, but it’s important not to overfeed your baby. Watch for the signs that they need a break or have had enough:

• splaying their fingers and toes
• spilling milk out of their mouth
• stopping sucking
• turning their head away, or pushing the bottle away
• falling asleep at the end of the feed

Paced bottle feeding helps your baby set the pace, and how much breast milk or formula gives rough amounts by age.

Getting through the evenings

• Follow your baby’s lead. Feed when they show hunger cues (USDA, NHS).
• Ask for help. The USDA suggests asking your partner and family for extra help in the evenings, such as making dinner or changing diapers.
• Look after yourself. You may be hungrier and thirstier during a growth spurt (USDA).

If breastfeeding is painful, you’re worried about your milk supply, or you’re struggling, get help early. The CDC says to get help from a health care provider or lactation support provider as soon as you can. Your pediatrician, birth hospital or local WIC office can put you in touch with one.The National Breastfeeding Helpline is open 24 hours a day on 0300 100 0212 (NHS), and your midwife or health visitor can help too.Ask your midwife, doctor or child health nurse for breastfeeding support. See also breastfeeding and starting solids.

Cluster feeding, or not getting enough?

Frequent feeding on its own isn’t a sign of a problem. These are better guides.

Signs your baby is getting enough (NHS, CDC):

• They gain weight steadily after the first few days. It’s normal to lose some weight in the first days after birth.
• From day 5, they have at least 6 heavy, wet diapers every 24 hours.
• From day 4, they do at least 2 soft, yellow poos a day for the first few weeks (NHS).From day 2 to day 7, they do at least 3 poops a day (CDC). After about 6 weeks, they may poop less often.
• You can see and hear them swallowing during feeds.
• They seem content and satisfied after most feeds, and alert when awake.

Signs your baby may not be getting enough (CDC, except where the NHS is named):

• fewer than 8 breastfeeds in 24 hours on most days
• you can’t see or hear them swallowing during feeds
• they seem fussy after most feeds
• they keep losing weight after day 5
• by 5 days old, fewer than 6 pees a day, or fewer than 3 poops a day, or fewer than the 2 poos a day the NHS looks for
• their skin looks a bit yellow

For formula-fed babies, look for around 6 wet diapers a day and steady weight gain (NHS). See how much breast milk or formula.

When to call the doctor or midwife

Talk to your pediatrician, midwife, health visitor or GP if your baby:

• shows any of the “may not be getting enough” signs above (CDC)
• hasn’t got back to their birth weight by about 2 weeks (US) or 3 weeks (UK), or loses a lot of weight (CDC, NHS)
• is too sleepy to feed well once awake, or you’re worried about how much they’re sleeping or eating (CDC). Waking a newborn to feed every 2 to 4 hours is expected at first (CDC); a baby who is hard to wake is an emergency (below).
• feeds almost constantly, day and night, and seems fussy after most feeds, or isn’t having enough wet diapers
• has a fever and seems very fussy or unwell (AAP)

The CDC says to speak to your baby’s doctor right away if you’re worried your baby isn’t getting enough to eat. You don’t need to wait for the next routine check.

If your baby stops feeding, get medical help the same day: the NHS lists a baby who isn’t feeding among the signs of serious illness. In the UK, you can call NHS 111 any time you’re worried about your baby’s symptoms (NHS).

When to call for emergency help

Call 911 or go to the emergency room if your baby:Call 999 or go to A&E if your baby:Call your local emergency number (such as 112 in Europe or 000 in Australia) or go to the emergency department if your baby:

• has swelling of the lips, face, tongue or throat, or trouble swallowing or breathing: see signs of anaphylaxis
• has a weak, high-pitched or nonstop cry
• is floppy, hard to wake or can’t be woken, or not responding as usual
• is struggling to breathe, breathing very fast, or grunting
• has blue, gray, pale or blotchy skin, lips or tongue, or skin that feels cold or clammy
• has a rash that doesn’t fade when you press it
• hasn’t had a wet diaper or peed in 12 hours
• has a seizure (fit)
• is under 3 months old with a temperature of 38°C or higher, or 3 to 6 months old with 39°C or higheris under 3 months old with a temperature of 100.4°F (38°C) or higher and you can’t reach your doctor right away: the AAP says to call the doctor right away for a fever at this age

These signs come from the NHS and AAP. Trust your instincts: if you think something is seriously wrong, get help.

Where US and UK advice differs

• Getting back to birth weight. The CDC says breastfed babies should be back to their birth weight by day 10 to 14. The NHS says most babies are at or above their birth weight by 3 weeks, and a midwife or health visitor will support you if they aren’t.
• Poos in the first weeks (breastfed babies). Both look for at least 6 wet diapers a day from about day 5. For poos, the CDC uses at least 3 a day in the first week, and fewer than 3 by day 5 as a sign to check. The NHS uses at least 2 soft, yellow poos a day from day 4 for the first few weeks.
• Who to ask. In the US, call your pediatrician’s office or a lactation support provider.In the UK, talk to your midwife or health visitor, or call NHS 111 if you’re worried.Talk to your doctor, midwife or child health nurse.

Both agree on the basics: cluster feeding is normal, follow your baby’s cues, and judge how feeding is going by weight gain and diapers, not by how often your baby feeds.