Which Statement Is True Regarding the Incidence of Serious Prenatal

Multiple Choice

Which statement is true regarding the incidence of serious prenatal disorders?

A) The addition of folic acid appears to sharply reduce the incidence of anencephaly and spina bifida.
B) The addition of iron supplements significantly reduces the rate of premature births.
C) Pregnant women who are provided vitamin D during pregnancy show significant declines in the rate of serious birth disorders.
D) Ingestion of iodized salt increases the risk of miscarriage and birth defects.