A newborn’s umbilical cord that has been off for ten days and is still bleeding can be caused by an infected umbilical cord, friction from clothing, or an incompletely closed umbilical cord stump. 1. Umbilical cord infection: After the umbilical cord of a newborn falls off, if it is not kept dry and clean in time, then it may lead to bacterial infection of the umbilical cord, which may also be accompanied by serious symptoms of blood seepage or pus. 2. Clothing friction: The friction of the newborn’s clothing may break the umbilical cord’s freshly formed scabs, leading to bleeding. 3. Umbilical cord stump not closed: newborns umbilical cord off, if the umbilical cord stump is not completely closed, crying caused by increased abdominal pressure may lead to bleeding umbilical cord. Newborns with umbilical cord bleeding, you can first disinfect the treatment every day and observe the bleeding situation. If the bleeding persists, it is recommended to consult a doctor to find out whether there is any coagulation disorder.