Written by The New Mom Journal Editorial Team · Updated July 20, 2026
Colostrum: The Tiny Amount That Does So Much
It looks like almost nothing, a few drops of thick, golden liquid, and new mothers are often surprised, even a little worried, that this is all that is coming out in the first days. It can feel like proof that something is not working, when it is actually working exactly as designed.
Why the small amount is exactly right
A newborn's stomach on day one is roughly the size of a marble, holding only about five to seven milliliters, growing to the size of a ping pong ball by day three. Colostrum comes in small, concentrated amounts because that is precisely what a stomach that size needs, mothers typically produce somewhere between one and four teaspoons a day in the first few days, and that is enough.
1-4 tsp
is the typical total amount of colostrum produced per day in the first few days, packed with antibodies rather than volume.
What colostrum actually does
It is dense with antibodies and white blood cells that help fight off harmful microorganisms, giving your baby a dose of passive immunity before their own immune system has had time to develop. It also has a natural laxative effect that helps clear meconium, your baby's first, tarry stool, which in turn can help reduce the risk of newborn jaundice. On top of that, it helps stabilize blood sugar in the hours after birth and is easy to digest while your baby is still learning to coordinate sucking, swallowing, and breathing all at once.
For the first tender days
RFC Silver Nursing Cups
The first latches are a learning curve for both of you. Silver nursing cups can be worn between those early sessions to soothe skin while colostrum does its work.
Around day two to five, colostrum gradually gives way to a larger volume of transitional milk, and then mature milk, exactly on the timeline your baby needs. Many mothers notice their breasts feeling fuller and firmer around day three, a sign that this transition is underway. Frequent nursing in these early days, even when it feels like nothing much is coming out, is exactly what tells your body to move that transition along on schedule.
How colostrum compares to later milk
Colostrum is thicker, more yellow or golden in color, and far more concentrated in protein, antibodies, and immune factors than the milk that follows it, even though it looks like less volume. As it transitions into mature milk over the following days, the composition shifts toward more fat and lactose to fuel your baby's rapidly increasing energy needs as they grow.
Hand expressing in those first hours
Because colostrum comes in such small amounts, a pump often cannot draw it out effectively in the very first hours, hand expression tends to work better for such a small volume. The technique is simple: place your thumb and fingers about an inch back from the base of the nipple, press gently straight back toward your chest, then compress and release in a rhythm, rolling forward slightly as you do. Nurses and lactation consultants in the hospital can walk you through this in person if you ask, and most mothers find it easier to learn by watching than by reading instructions alone. Collecting even small drops on a spoon or in a small syringe to feed your baby, if a direct latch is not yet happening for some reason, is a completely normal bridge in the first day or two.
A few myths worth clearing up
A common worry is that a baby crying or rooting constantly in the first day means colostrum alone is not enough, when in fact this is largely how newborns are wired to behave regardless of feeding, and frequent time at the breast is exactly what is supposed to happen during this window. Another myth is that formula needs to be offered right away if colostrum looks scarce, in the vast majority of healthy, full-term babies, colostrum alone is sufficient nutrition until milk transitions in, and supplementing without a medical reason can actually interfere with that transition. If your care team does recommend supplementing for a specific medical reason, like significant weight loss or low blood sugar, that guidance is about your baby's individual situation, not a sign that colostrum in general fails to do its job.
Colostrum for premature or NICU babies
For babies born early or admitted to the NICU, colostrum takes on extra importance, its concentrated antibodies and easy digestibility are especially valuable for an immature digestive and immune system. NICU staff often specifically encourage hand expressing and collecting even small amounts of colostrum to give by syringe or feeding tube if a baby cannot yet nurse directly, and every drop genuinely counts at this stage. If your baby is in the NICU, ask the nursing staff or a lactation consultant on the unit about hospital-grade pumping support and colostrum collection specifically, most NICUs have dedicated protocols and equipment for exactly this situation.
Frequently asked questions
What color should colostrum be?
Colostrum is typically yellow or golden, sometimes clear to pale in later pregnancy, the color itself varies between mothers and is not a sign of anything being wrong either way.
Can I express colostrum during pregnancy?
Some care providers support hand-expressing small amounts in the last few weeks for mothers with specific medical reasons, always under a provider's guidance rather than as a routine practice for every pregnancy.
Can I start collecting colostrum before birth?
Some care providers support antenatal hand expression of colostrum in the last few weeks of pregnancy for mothers with certain medical indications, stored for use after birth. This should only be done with your provider's guidance, since it is not appropriate or necessary for every pregnancy.
Why does my baby seem hungry even on just colostrum?
A newborn's stomach is tiny, so frequent feeding is expected and normal even though the volume per feed looks small. Frequent nursing in these early days is also exactly what tells your body to bring in a larger volume of milk on schedule.
Is it normal for colostrum to look different from one day to the next?
Yes, color and thickness can shift daily as your body transitions from colostrum toward mature milk, usually starting around day two and continuing through about day five.
Does a c-section delay colostrum or milk coming in?
It can, sometimes by a day or so, particularly if there was significant blood loss or the first feed was delayed. Frequent early nursing or pumping still helps bring milk in on the most typical timeline possible even after a surgical birth.
This article shares general information and real-world experience — it isn't medical advice and doesn't replace guidance from your doctor, midwife, or a certified lactation consultant. If something feels off with you or your baby, please reach out to a professional who knows your situation.
