A majority portion of the mother’s diet should consist of carbohydrates. When we mention carbs, there will always be the inclusion of whole grains here. The best examples of whole grains are oats, quinoa, brown rice, brown bread, etc. They are a healthy source of carbs which are the primary energy source of your body. Apart from carbs, they contain fiber, which helps prevent constipation and keeps the digestive system healthy. With a good amount of carbs and protein, whole grains are also a significant source of minerals like iron and magnesium, which help keep the immune system healthy.