FDA Pregnancy Risk Categories for Selected Nonprescription Medications and Nutritional SupplementsĀ 

Drug therapy during pregnancy may sometimes be necessary. However, because most drugs cross the placenta to some extent, a mother who takes a drug might expose her fetus to it. Medications should be used during pregnancy only under the supervision of a physician and only when the potential benefits outweigh the potential risks.
The table on the following pages contains Food and Drug