Also known as calamari, squid has low mercury content that makes it safe for consumption when you are pregnant. Squid is loaded with protein that helps with cell growth of the mother and baby. It is also a great source of iron, that helps increase your blood hemoglobin levels and form red blood cells in the baby. The vitamins A and B12 help in cognitive and nervous development of the baby. The mineral zinc helps in the production of insulin in your baby. Moreover, the folate in squid helps prevent anemia in you and neural tube defects in your baby. However, remember to not exceed the recommended amount of intake, and cook the sea food well before eating.