Good protein choices for vegetarians include: Peanuts or pumpkin or sunflower seeds (1/2 cup), other nuts (2/3 cup) Soy milk or soy yogurt (1 cup) Split peas, lentils, dried beans such as pinto and garbanzo beans (1 cup cooked) Tofu (6 oz) or soy cheeses (2 oz) Pumping Iron Iron helps make the extra blood you need, as well as all the blood your baby needs.