The umbilical cord stump most often falls off one to three weeks after birth. [1] Your baby’s timing may vary, and some references give a shorter typical range. [2]
You may notice the stump loosening before it separates, but it can still be attached; let it come away by itself rather than pulling it off. [3] For example, even if it seems to be hanging by a small piece, leave it alone. [3]
A little variation in timing is expected, so you do not need to compare your baby’s day-by-day progress with another newborn’s. The key point is to allow the stump to separate naturally; the rest of this article explains what the process can look like and when to ask your baby’s pediatrician about healing concerns.
What happens as the stump dries
The stump dries first, then separates from the skin; it can stay attached while this change is happening. [4]
As the stump dries, it may look different from the soft, moist tissue it was just after birth. Drying is part of the lead-up to separation, but it does not mean the stump will come away right away. [4]
You might notice that the stump appears dry while still connected at its base. That in-between stage can last for a while, so seeing it attached does not by itself mean the drying process has stopped. [4]
For example, if the stump looks drier one day but remains attached the next, those changes can happen before it separates. The key point is that drying and separation are related steps, not necessarily the same moment. [4]
Keep this stage focused on watching the timeline rather than trying to speed it along. For the routine steps involved in caring for the area while it dries, follow the dedicated stump-care guidance.
What if it falls off early or takes longer?
A stump may fall off before your baby reaches one week old, or it may stay attached longer than you expected. [5] These differences can make the timing feel uncertain, especially when you are watching for a change from day to day.
If it separates early
An early separation can happen: some stumps fall off before the first week. [5] The timing alone may not tell you whether healing is going well, so consider how the area looks and whether you have any concerns. If you are unsure, you can ask your baby’s pediatrician for guidance.
If it stays longer
A stump can also stay attached longer than expected. [5] There is no need to use a strict day-by-day cutoff to judge your baby’s timeline; babies do not all follow exactly the same schedule. If the longer wait is worrying you, or you have questions about how the area is healing, contact your baby’s pediatrician. You can describe when you first noticed the stump drying or changing and what is concerning you, so the clinician understands what you are seeing.
You do not have to decide on your own whether the timing is unusual. A quick call can help you get advice tailored to your baby and feel more confident about what to watch for next.
When should you call the pediatrician?
Contact your baby’s clinician if you’re worried about how the stump is healing or it stays attached longer than you expected. You do not need to wait until you are certain something is wrong to ask; a quick call can help you decide whether your baby should be checked. [3]
You might reach out if the stump’s appearance or the way it is separating leaves you unsure, or if you have a concern during a routine diaper change. Keep the question simple: explain what you noticed and when, and ask whether your baby’s clinician recommends an exam. For specific signs that may point to infection, use the separate infection-sign guidance rather than trying to diagnose the cause on your own.
The stump should separate naturally, so resist the urge to pull it—even if it seems to be hanging by a small piece. [3] If it is still attached and you are unsure what to do, leave it alone and call your baby’s clinician for guidance. [3]
While you wait for advice, you can note when you first noticed the concern and whether it has changed. That gives the clinician a clear starting point for the conversation. You are not bothering them by asking about a healing concern; getting personalized guidance is a sensible next step when you feel unsure.
The short answer
Most umbilical cord stumps fall off within one to three weeks after birth, but your baby’s stump may not match an exact day on the calendar. [3][1]
The simple takeaway is to let the stump separate by itself; don’t pull it, even if it looks like it is barely attached. [3] If it seems to be taking longer than you expected, or you are unsure whether the area is healing as it should, contact your baby’s pediatrician for guidance. [1]
While you wait, you do not need to make the stump come off on a schedule. If you are keeping track, note when you first noticed a change and what is worrying you, so you can describe it clearly when you call. You can also ask the pediatrician whether your baby should be checked; a quick conversation is a reasonable next step when you are uncertain.
The main thing to remember: let the stump come away on its own, and reach out to the pediatrician if the timing or healing concerns you.