how do they get it?
It is rare in the United States—just one in every 10,000 to 15,000 newborns will have PKU.
It is especially important for a pregnant woman with PKU to strictly follow the low-phenylalanine diet throughout her pregnancy to ensure the healthy development of her infant.3
People with PKU need to avoid various high-protein foods, including:
Milk and cheese, Soybeans, Beans, Chicken, beef, or porkPeas, Beer