original question: Which drug has a pregnancy category of [Pregnancy Category A (FDA)]?
answer: zinc acetate, folic acid, magnesium sulfate...
answer type: Drug.
auxiliary information: Adequate and well-controlled studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of risk in later trimesters).
What is the name of the drug that is considered to be  [Pregnancy Category A (FDA)]?