2. Shrimp is rich in magnesium, which plays an important role in regulating heart activity. Eating shrimp properly is beneficial to prevent hypertension during pregnancy. Shrimp is rich in calcium, which is necessary for fetal growth during pregnancy and is also the nutritional need of pregnant women themselves. Eating shrimp properly can be a good supplement. Astaxanthin is a very important substance in shrimp and the strongest antioxidant found at present, which can effectively assist in the treatment of anemia during pregnancy.