Biology, 03.08.2019 02:30 toopretty15
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
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