A nurse is providing teaching to the parents of a newborn about newborn genetic screening. Which of the following statements should the nurse include in the teaching?

Rationale: A. The test is not repeated at 2 months unless results are inconclusive. B. Blood for the test is collected from the newborn’s heel, not the inner elbow. C. Newborn genetic screening should be performed after 24 hours of age, once the baby has had adequate feedings, which ensures accurate metabolic screening. D. The baby does not need to drink water before the test.