Mothers-to-be often seek advice from physicians on what is safe to eat during pregnancy in order to give their child the best chance of being healthy. Historically, understanding the relationship between a woman’s diet during pregnancy and neonatal outcomes has been critical to avoiding negative sequelae. Two well-known examples include the following: (1) adequate dietary folic acid intake to prevent neural tube defects1; and (2) avoidance of soft unpasteurized cheeses to prevent Listeria infections, which can result in fetal death or other long-term consequences.2,3