Category A

Large, well-done human studies do not show an increased risk of birth defects when the medicine is used by pregnant women
Examples: Levothyroxine (thyroid hormone); B6, folic acid (vitamins)
Fact: Experts say there are very few drugs in this safest of categories; the FDA does not track the number of drugs in each group
See more about pregnancy and pills.
View the full list for "Safety Issues: Pills During Pregnancy"






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