How to Tell If Your Baby Is Getting Enough Breast Milk
mother breastfeeding newborn baby Kerry Ireland
One of the most common worries I hear from new mothers — whether I am seeing them at my clinic in Listowel, on a home visit across North Kerry, or online — is some version of the same question:
is my baby actually getting enough?
It is a completely understandable worry. Unlike a bottle, there is no measurement, no marker on the side. Breast milk is also digested very quickly — sometimes within an hour — so a baby can seem hungry again almost straight after a feed, which adds to the uncertainty.
The good news is that there are several reliable signs you can look for. Here is what I would check.
Your milk coming in
In the first day or two after birth, your breasts contain colostrum — small in volume but perfectly suited to your newborn. Most mothers notice their milk "comes in" around two to three days after birth. Your breasts will feel fuller and heavier, and you may notice one side leaking while your baby feeds from the other.
When feeding is going well, your breasts will feel fuller before a feed and softer afterwards.
If you have not noticed any sense of your milk coming in by day four, it is worth having your baby weighed and checked, and getting in touch with a lactation consultant. There are often straightforward reasons for a delay, and the earlier it is picked up the better.
Feeding often
Newborns need to feed frequently — at least 8 to 12 times in every 24 hours, including at night. Night feeds are important; some babies take a large proportion of their calories in those hours.
Follow your baby's lead. If they are showing feeding cues — rooting, turning their head, sucking their fists — offer the breast, even if they only fed an hour ago. Crying is actually a late sign of hunger, so try to catch them before they reach that point.
It is also normal for babies to cluster feed — bunching feeds close together, often in the evenings or during growth spurts. This does not mean you do not have enough milk. It is your baby doing exactly what they need to do to build your supply.
If your baby is very sleepy and not waking for feeds, you may need to gently encourage them to feed every two to three hours. Skin-to-skin contact can help with this.
Swallowing at the breast
When your baby is feeding well, you should be able to see their jaw moving with a wide, rhythmic action — and either hear them swallowing, or see a brief pause in their jaw movement as they take a mouthful of milk. The pattern to look for is: wide open, pause, close — that pause is the swallow.
If you cannot see or hear any swallowing, if your baby seems to be dozing at the breast without actively drinking, or if feeding is painful for you, those are signs worth getting assessed. A good latch makes a significant difference to how much milk your baby can actually transfer, so it is always worth having it checked if you are unsure.
Nappies
What goes in must come out. Nappy output is one of the most useful things to keep an eye on in the early weeks.
In the first few days, your baby's nappies will change from dark, tarry meconium to softer, yellower stools as your milk comes in. By around day four or five, you would expect to see three or more soft yellow or mustard-coloured dirty nappies each day, alongside at least five or six wet nappies with pale urine.
A couple of things to be aware of:
Wet nappies alone are not usually enough confirmation in the first six weeks — dirty nappies matter too
Red or "brick dust" marks in a nappy after day four, or stools that have not changed colour by this point, are worth flagging to your doctor or public health nurse
Stooling frequency varies widely between babies. Some poo after every feed; others may go a day or two between stools, and both can be normal provided stools are soft and your baby is otherwise well and gaining weight. That said, infrequent dirty nappies in a very young baby — especially in the first few weeks — can sometimes be an early sign that milk transfer needs attention, so always weigh this alongside everything else
Nappy counts are useful, but they are not a substitute for regular weight checks.
Signs your baby is satisfied
After a good feed, a well-fed baby will usually let go of the breast on their own, or simply fall asleep. They will look relaxed — open hands, loose body, that slightly glazed look that is sometimes called "milk drunk."
A baby who is not getting enough tends to look tense and unsettled. They may feed constantly without ever seeming satisfied, or at the other extreme, may be very sleepy and showing little interest in feeding at all.
Weight gain
Regular weight checks are the clearest way to confirm that feeding is working.
Most babies lose a small amount of weight in the first few days — this is normal and expected. A loss of up to 7–8% of birth weight is common in healthy, full-term breastfed babies. Most are back to their birth weight by 10 to 14 days, and gaining steadily from there.
In the first three months, average weight gain is around 30–40g per day (roughly 7–10 ounces per week), based on WHO growth charts. Growth slows a little between three and six months.
If weight gain is slow, or your baby has not regained their birth weight by two weeks, do not wait and hope. Get support early. The sooner any feeding issue is identified, the easier it is to address — and most problems are fixable with the right help.
What does not necessarily mean your baby is hungry
This is just as important as the list above, because a lot of well-fed babies do things that look like hunger.
Feeding very frequently — normal, especially in the early weeks
Cluster feeding — normal, does not mean your supply is low
Waking at night — expected; newborns are not supposed to sleep through
Wanting to suck constantly — sucking is comforting, not only a sign of hunger
Soft breasts — as your supply settles, usually around six to eight weeks, your breasts often stop feeling full between feeds. This is normal, not a sign of low supply
Not being able to express much milk — pumping output is not an accurate measure of what your baby can get at the breast
When to get support
If something does not feel right, please reach out. You do not need to wait until things are clearly wrong.
I would encourage you to contact your public health nurse, GP, or a lactation consultant if:
Your baby has not regained their birth weight by two weeks
You are seeing fewer than five or six wet nappies a day after day five
Dirty nappies have not changed colour, or are fewer than expected, by day four or five
Feeding is consistently painful
Your baby is very sleepy and hard to wake for feeds
Your baby feeds constantly but never seems satisfied
You are worried — full stop
Worry alone is reason enough. You do not need a specific problem to justify getting help.
I can help
If you are in Kerry or anywhere in Ireland and you are unsure whether your baby is getting enough breast milk, I can help. I offer one-to-one consultations at my clinic in Listowel, Co. Kerry, home visits across North Kerry, and online consultations for families nationwide.
You do not need to be in crisis to book. Many families come simply because they want reassurance — and that is a completely valid reason to reach out.
Not sure if you need a full consultation? You are welcome to book a free introductory call first — a chance to talk through what is happening and work out together what kind of support, if any, would help.
Book a consultation →Book a free introductory call →info@bobbidaly.ie
