{"@context":"https://schema.org","@type":"DrugPregnancyCategory","@id":"https://schema.org/FDAcategoryA","rdfs:label":"FDAcategoryA","rdfs:comment":"A designation by the US FDA signifying that 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)."}