Nutrition is about eating a healthy and balanced diet so your body gets the nutrients that it needs. Nutrients are substances in foods that our bodies need so they can function and grow. They include carbohydrates, fats, proteins, vitamins, minerals, and water. When you’re pregnant, nutrition is more important than ever. You need more of many important nutrients than you did before pregnancy. Making healthy food choices every day will help you give your baby what he or she needs to develop. It will also help make sure that you and your baby gain the proper amount of weight.