Correct option is D
Maternal nutrition directly impacts fetal organ development, immunity, and birth weight. It is a cornerstone of prenatal care. Explanation of options:
· (a) ✘ Risk varies by individual; generalization is incorrect.
· (b) ✘ Calcium is needed throughout pregnancy.
· (c) ✘ Iron is routinely prescribed even without anemia.
· (d) ✔ Accurate and essential education point.