The frequency of neural tube defects has declined during the last two decades partly because of
A) a better understanding of the nutritional needs early in pregnancy.
B) a better understanding of the need for exercise during the first few months of pregnancy.
C) the development of new drugs.
D) the introduction of new intrauterine surgical procedures.
Correct Answer:
Verified
Q27: The _ is the middle layer of
Q28: The procedure by which the sperm of
Q29: Spina bifida and anencephaly
A) can be cured
Q30: The rapid growth of the cerebral hemispheres
Q31: During development,failure of the neural tube to
Q33: The most likely method of assisted reproduction
Q34: If cells taken from the ectoderm are
Q35: Viability,or the ability of the fetus to
Q36: The _,the outer layer of embryonic cells,will
Q37: In the medical profession,_ refers to the
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