Cord blood is the blood left in the umbilical cord after a baby is born.
Once the umbilical cord has been cut, a doctor may take a sample of blood from the cord for testing.
These tests may measure a variety of substances and check for infections or other disorders.
What is cord blood testing used for?
It may be used to:
Measure blood gases
Measure bilirubin levels
Measure different parts of the blood with a complete blood count.
Check for signs of a baby's exposure to illegal or misused prescription drugs a mother may have taken during pregnancy