What Was the Most Critical Lesson About Teratogens Learned from Studies

question 32

Multiple Choice

What was the most critical lesson about teratogens learned from studies on the use of the drug diethylstilbestrol (DES) by pregnant women?

• A) Sometimes what appear to be teratogens actually are harmless drugs.
• B) Infants in the late fetal period appear to be the most at risk for impact from drug-related teratogens.
• C) Sometimes the effects of teratogens are not apparent until long after exposure.
• D) Females appear to be at much greater risk from teratogens.

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