Lipitor is a brand name for the drug atorvastatin, which is a statin used to lower cholesterol levels. Statins are not recommended during pregnancy as they can affect fetal development [2]. The FDA has classified Lipitor as a pregnancy category X drug, meaning that it is contraindicated for use during pregnancy as it can cause fetal harm [1].

In general, the use of statins during pregnancy is not recommended as they can cross the placenta and affect fetal development [2]. Studies have shown that statin use during pregnancy can increase the risk of birth defects, preterm delivery, and low birth weight [3].

There are no specific studies on the effects of Lipitor substitutes on fetal development. However, it is important to note that all statins have similar mechanisms of action and potential side effects. Therefore, it is likely that other statins would have similar risks for fetal harm as Lipitor [2].

In conclusion, Lipitor and other statins are not recommended for use during pregnancy due to their potential to harm fetal development. It is important for women who are pregnant or planning to become pregnant to discuss alternative treatment options with their healthcare provider to manage their cholesterol levels safely [2].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://utswmed.org/medblog/statins-pregnancy-familial-hypocholesteremia/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3713748/