Maternal phenylketonuria (PKU) is an important health concern during pregnancy be-cause:
a. It is a recognized cause of preterm labor.
b. The fetus may develop neurologic problems.
c. A pregnant woman is more likely to die without dietary control.
d. Women with PKU are usually retarded and should not reproduce.
B
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A Maternal PKU has no effect on labor.
B Children born to women with untreated PKU are more likely to be born with mental retardation, microcephaly, congenital heart disease, and low birth weight.
C Women without dietary control of PKU are more likely to miscarry or bear a child with congenital anomalies.
D Screening for undiagnosed maternal PKU at the first prenatal visit may be war-ranted, especially in individuals with a family history of the disorder, with low intelligence of uncertain etiology, or who have given birth to microcephalic in-fants.
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