What is the reason for hematuria in newborns' urine?

Patient's question:

What is the matter when a child starts urinating blood on the 12th day after birth? They often vomit milk that is yellow in color, urinating only twice in 24 hours. It has already been two days since they haven't gone yet. Learn some related information.

Doctor's answer:

Newborn Hematuria Requires Attention to Early Diagnosis
1. Newborn Hematuria Requires Attention to Early Diagnosis
2. Based on your situation, your child had blood in their urine 12 days after birth. This condition needs to be distinguished between true hematuria and redness caused by increased oxalate crystals due to cold.
3. It is recommended to have a urine routine test performed at the hospital. If it is hematuria, the cause needs to be identified. The most common causes at this age are vitamin K deficiency or congenital coagulation and bleeding disorders.