Final answer:
The section 'Use in Specific Populations' in the package insert provides risks associated with using Lexapro during pregnancy, addressing the drug's potency as a mutagen, fetal susceptibility to teratogenesis, and dosages of the teratogen.
Step-by-step explanation:
The section of the package insert that contains information about the risks of using Lexapro during pregnancy is C) Use in Specific Populations. This section typically discusses various demographics and their specific risks when using the medication, including pregnant women. It is important to pay attention to the information provided in this section regarding the potency of the drug as a mutagen, the susceptibility of the fetus to teratogenesis, and the dose of the teratogen, as these are critical factors in understanding the potential risks involved in taking Lexapro during pregnancy.