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Lipitor (atorvastatin) is classified as Pregnancy Category X (it was listed as Category X for pregnancy risk) based on the older FDA pregnancy category system used at the time Lipitor labeling was written. [1]
The Pregnancy Category X designation means Lipitor should not be used in pregnancy. Statins are associated with fetal risk concerns, and the label’s category reflects that risk. [1]
Yes. The FDA later moved away from the letter-based pregnancy categories (A, B, C, D, X) toward a narrative risk-description format. If you’re seeing a different wording on a current Lipitor label, it’s usually because the labeling format changed, not because the underlying pregnancy risk guidance became permissive.
The pregnancy risk restriction is tied to concerns about statins and fetal development, which is why the product was assigned the highest-risk category in the older system. [1]
[1] https://www.drugs.com/prop/atorvastatin.html
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