Alkali denaturation test

The alkali denaturation test, also known as Apt–Downey test or Apt test, is a medical test used to differentiate fetal or neonatal blood from maternal blood found in a newborn's stool or vomitus.

Alkali denaturation test

The alkali denaturation test, also known as Apt–Downey test or Apt test, is a medical test used to differentiate fetal or neonatal blood from maternal blood found in a newborn's stool or vomitus.