Cowpea is a legume found in the semi-arid regions of Africa and other countries. It is commonly used in stews, soups, purees, and casseroles. Cowpea can be a great addition to your pregnancy diet as they are highly nutritious. It is rich in folic acid, a nutrient that is essential during pregnancy to prevent the baby from developing neural tube defects, such as spina bifida. Cowpea is also rich in potassium, a mineral that is important for muscle contraction and for sending nerve impulses. Furthermore, it is a good source of protein, which is considered to be the building block of your body.