With regard to medications, herbs, shots, and other substances normally encountered by pregnant women, the maternity nurse should be aware that:
a. Both prescription and over-the-counter (OTC) drugs that otherwise are harmless can be made hazardous by metabolic deficiencies of the fetus.
b. The greatest danger of drug-caused developmental deficits in the fetus is seen in the final trimester.
c. Killed-virus vaccines (e.g., tetanus) should not be given during pregnancy, but live-virus vaccines (e.g., measles) are permissible.
d. No convincing evidence exists that secondhand smoke is potentially dangerous to the fetus.
ANS: A
Both prescription and OTC drugs that otherwise are harmless can be made hazardous by metabolic deficiencies of the fetus. This is especially true for new medications and combinations of drugs. The greatest danger of drug-caused developmental defects exists in the interval from fertilization through the first trimester, when a woman may not realize that she is pregnant. Live-virus vaccines should be part of postpartum care; killed-virus vaccines may be administered during pregnancy. Secondhand smoke is associated with fetal growth restriction and increases in infant mortality.
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