Is my milk supply actually low?

Low supply is one of the most common worries I hear, and one of the most misunderstood. The reassuring truth, and what I find again and again in practice, is that most parents who worry have plenty of milk. Genuine, ongoing low supply is much rarer than it feels. The difficulty is that normal newborn behaviour looks a lot like "not enough". Here is how to tell the difference.

Things that feel like low supply but usually aren't

• Feeding very often, or for a long time. This is normal, and how your baby builds supply. See cluster feeding for more.
• Fussy evenings, or wanting to be held and fed constantly.
• Softer breasts after the first few weeks. This is your supply settling to match demand, not dropping.
• No leaking, or leaking that stops.
• Not getting much when you pump. A pump is far less effective than a baby, so it does not measure your supply.
• Shorter feeds as your baby becomes more efficient.

The signs that actually matter

Rather than any one of the above, look at the reliable measures of intake together:

• Nappies: from around day five, at least six heavy wet nappies and regular yellow poos in 24 hours.
• Weight: back to birth weight by around two to three weeks, then steady gain.
• Feeding: a comfortable latch with audible or visible swallowing. How often a baby feeds varies from baby to baby, so it matters far less than nappies and weight.

If those are on track, your supply is very likely fine, whatever else your baby is doing. See How do I know my baby is getting enough milk for more.

If anything, your problem may be the opposite, too much milk and a fast let-down. See Oversupply and a fast let-down.

When supply genuinely can be affected

Sometimes there is a real reason supply is lower. Possible causes include:

• A latch or milk-transfer problem. This is often the true reason behind what feels like low supply, and it is usually very fixable. You can read more in Latch and nipple pain.
• Tongue tie, if it stops your baby removing milk effectively. See Tongue tie and breastfeeding.
• Infrequent feeding or milk removal, or long gaps between feeds.
• Combination feeding where your supply hasn't been protected, for example when formula top-ups are added without also expressing to keep your own supply stimulated.
• A smaller amount of milk-making, or glandular, breast tissue, sometimes called breast hypoplasia. This is uncommon, and with the right support many parents are able to breastfeed successfully. Some may need to combine breastfeeding with supplementary feeds, but every drop of breast milk has value, and support can help families make the most of the milk they produce.
• Significant blood loss at birth.
• A retained placenta, or certain hormonal conditions.
• Some medications.

The most powerful way to build supply is simple: remove milk often and effectively. That means responsive feeding, plenty of skin to skin, feeding early and often, and a good latch and attachment so your baby drains the breast well, all of which work with your body as described in How your baby and your body work together. Expressing can add extra stimulation if it is needed. Fixing the underlying cause matters more than any supplement.

When to get help

How a consultation helps

Because "low supply" so often turns out to be a latch or transfer issue, a consultation is the quickest way to find out what is really going on. During a consultation I will usually watch an entire feed, assess how well your baby is transferring milk, weigh your baby if appropriate, and review your expressing and pumping, so we can identify together whether supply is genuinely low or whether something else is reducing milk transfer. From there we build a plan that protects your supply while we put it right.