Question

extra folate is important during pregnancy to prevent
hypertension
diabetes
spina bifida
anemia

Explanation:

Folate (folic acid) is crucial during pregnancy as it helps in the proper development of the neural tube in the fetus. Spina bifida is a neural tube defect. Hypertension is related to high blood pressure, diabetes is a metabolic disorder, and anemia is a low - red - blood - cell condition, none of which are directly prevented by folate in the context of pregnancy as specifically as spina bifida.

Answer:

spina bifida