This vitamin is needed to prevent a birth defect called Spina Bifida
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Vitamin D
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Vitamin A
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Folic Acid
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Vitamin E
C
Correct answer
Explanation
Folic Acid (folate) is needed to prevent neural tube defects including Spina Bifida because it's essential for neural tube closure in early embryonic development. The neural tube forms by the 4th week of pregnancy, often before a woman knows she's pregnant. This is why folic acid supplementation is recommended before and during early pregnancy.