Is it safe to take stalevo (carbidopa and levodopa and entacapone) while pregnant or breastfeeding?

Probably not: This medication is used to treat the effects of Parkinson's disease. It does cross the placenta. It is listed as a category c which means there is not a lot of data about its use during human pregnancy, but it did cause deformities in lab animals when used at concentration far higher than what is used in humans. So, it should be used only if benefit to mom outweighs potential risks.

See below: If taken during pregnancy, your child's teeth nay become stained.