Answer:
1. Fetal programming
2. 400 micrograms
Step-by-step explanation:
Neural tube defects occur in the first month of pregnancy. They are birth defects of the brain, spine, or spinal cord. spina bifida and anencephaly are the most common of these defects.
Fetal programming, can also be called prenatal programming, in this period, tissues and organs are created. Insufficient nutrition during this period can cause permanent alterations to structural and physiological functions of the fetus.
The U.S. Public Health Service has recommended that all women with the likelihood of being pregnant get 400 micrograms (mcg) of folic acid each day to prevent neural tube defects.