Lipitor is a prescription medication used to lower cholesterol levels in the blood. It contains the active ingredient atorvastatin, which is classified as a statin. Statins work by inhibiting an enzyme in the liver that produces cholesterol, which reduces the amount of cholesterol in the bloodstream. However, the use of Lipitor during pregnancy is not recommended, as it may pose risks to the unborn child.

According to the American Pregnancy Association [3], Lipitor is classified as a Pregnancy Category X drug, which means it is known to cause fetal harm and should not be used during pregnancy. The use of Lipitor during pregnancy has been associated with an increased risk of birth defects, including skeletal abnormalities and malformations of the heart and blood vessels. Additionally, Lipitor can cause harm to the developing brain and nervous system of the fetus.

The University of Texas Southwestern Medical Center [2] notes that statins, including Lipitor, should be avoided during pregnancy, particularly in women with familial hypercholesterolemia, a genetic disorder that causes high cholesterol levels. In these cases, alternative treatments, such as bile acid sequestrants, may be used to manage cholesterol levels during pregnancy.

In conclusion, Lipitor should not be used during pregnancy due to the risk of fetal harm. Women who are pregnant or planning to become pregnant should discuss alternative treatments with their healthcare provider. It is essential to weigh the potential benefits of treatment against the risks to the developing fetus.

Sources:
[2] https://utswmed.org/medblog/statins-pregnancy-familial-hypocholesteremia/
[3] https://americanpregnancy.org/healthy-pregnancy/medication/atorvastatin-during-pregnancy/
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR