As soon as you found out you were pregnant, you cut the caffeine and skipped the celebratory toast, right? But how far is too far? And do you really have to go cold turkey on that, uh, cold turkey? “If it were me, I’d err on the side of caution,” says Boston-based registered dietician Elizabeth Ward, author of Expect the Best: Your Guide to Healthy Eating Before, During & After Pregnancy. “After all, it’s only nine months. Pregnant women are at a much higher risk of the effects of a food-borne illness."