Shad fish is an excellent source of vitamin B6, a nutrient necesseary for your baby’s developing brain and nervous system. Vitamin B6, also known as pyridoxine, helps your baby metabolize proteins and carbohydrates. This fish is also rich in selenium and riboflavin. Riboflavin produces energy for you during pregnancy and is also essential for your baby’s bone, muscle and nerve development. Hence, you should include shad fish in your pregnancy diet.