Nosebleeds while blowing nose may be caused by nasal or sinus diseases and should be promptly examined by a doctor.

A newborn with an umbilical hernia may experience some bleeding, which is often a normal occurrence after the cord detaches. However, it could also be a sign of an umbilical hernia or other issues. Keep the area clean and dry, and monitor the bleeding. Consult a doctor if necessary. Pay attention to hygiene, avoid wetting and rubbing the area, and close the top of the diaper to reduce friction on the cord stump. Continue to disinfect daily to keep the umbilical pouch dry and clean.

Bleeding during pregnancy may be a sign of preterm labor, and it is advised for pregnant women to closely monitor the situation and seek medical attention promptly.