"Things like vanilla, carrot, garlic, anise, mint — these are some of the flavors that have been shown to be transmitted to amniotic fluid or mother's milk," says Julie Mennella, who studies taste in infants at the Monell Chemical Senses Center. In fact, Mennella says there isn't a single flavor they have found that doesn't show up in utero. Her work has been published in the journal Pediatrics.