Skip sushi, raw oysters, soft cheeses, to name a few. A vitamin-mineral supplement is probably a good idea. Don't plan on dieting while you're pregnant. If your diet is poor to begin with you'll want to make the transition to eating nutritious, well-balanced meals. Limit junk food, since it offers little more than empty calories.
Some foods are no-nos.
Skip sushi, raw oysters, soft cheeses, to name a few. All are possible sources of bacteria that can harm an unborn child. You'll be better off giving up that cocktail after work, too. Too much drinking during pregnancy can cause physical defects, learning disabilities, and emotional problems in children, so many experts recommend that you give up alcohol while you're entire pregnancy. And you might want to skip caffeinated beverages, especially early on in your pregnancy.