Folic acid is very important for your baby's development, make sure you get enough by eating foods rich in folate and by taking a 400 mcg supplement.
Iron is found in both animal and non animal foods, however as it is more easily absorbed from animal sources. Both vegans and vegetarians need to be careful to ensure that they have enough iron in their diet.
Calcium is essential for developing bones and is mainly found in dairy foods and green leafy vegetables.