Maria and Michael have just been told that their newborn child has tested positive for PKU.What does this mean?

Question

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PKU (Phenylketonuria) is a metabolic disorder that causes a buildup of a substance called phenylalanine in the body. This can lead to brain damage and other neurological problems if left untreated. The condition can be managed through a special diet low in phenylalanine. If the child is diagnosed early and placed on the special diet, they can develop normally. However, PKU cannot be cured with medication, exercise, or disappear on its own.

Maria and Michael Have Just Been Told That Their Newborn