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Spina bifida and anencephaly are examples of neural tube defects. women who have had a pregnancy resulting in the birth of an infant with a neural tube defect are being urged to take supplements of ________ before a second conception to decrease the risk of these birth defects.

a. vitamin b-12
b. folic acid
c. iron and zinc
d. extra dietary protein

1 Answer

1 vote
folic acid. It is a b vitamin vital to neural tube formation in the embryonic period of pregnancy
User Kaushik
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