Which supplement is recommended before conception to reduce neural tube defects?
Answer and explanation
Correct answer: D. Folic acid at 0.4 mg daily
- Step 1: Neural tube closure occurs in the first month, often before pregnancy is known. Step 2. Folic acid supplementation lowers the risk. Answer: folic acid. Why not the others: high vitamin A is teratogenic, and iron and calcium do not prevent neural tube defects.
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