Obtain the 100 to 300 extra calories you need a day from nutrient-dense foods as much as possible. Avoid getting these extra calories you need from ice cream, chips and cookies. Although these foods contain calories, they contain very little nutrition to help your baby grow healthily. Add a 100- to 300-calorie snack or 35 to 100 calories at each of your three main meals to meet your caloric requirements. If you are pregnant, what you eat not only affects you but it also affects the health of your baby
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Pregnant women need twice as much iron—about 30 milligrams a day—so your doctor may prescribe a prenatal vitamin that contains iron. You should also try to eat some of the following foods daily: dried fruits, lean red meat, dried beans and pasta, whole-grain breads and dark green leafyvegetables.