Depends on situation
Since the umbilical stump
is composed of arteries & a vein that fed baby during pregnancy
, it acquired a significant size.
As the cord stump dries & separates, there is often a bit of bleeding.Usually only enough to cover a few q-tips.Local care as you would a scratch is all that is needed unless the bleeding persists.Occasionally the pediatrician needs to cauterize a stubborn bleeder in the offic.