What are the benefits of eating sweet potatoes for pregnant women?

　　Sweet potatoes are rich in beta-carotene and contain very low calories, much lower than ordinary food, so they are easy to digest after eating. Eating sweet potatoes and rice noodles together can provide a more complete protein supplement, which can promote the normal maturation of epithelial cells, inhibit abnormal differentiation of epithelial cells, and enhance immunity.

　　The calcium, phosphorus, iron and other elements contained in sweet potatoes can neutralize excess acid with fish, meat, eggs, rice noodles, sugar and other acidic foods, and better maintain the body's pH balance. It can replenish deficiency, replenish qi and strength, strengthen the spleen and stomach, and strengthen kidney yin. It can also stimulate the secretion of digestive juices and gastrointestinal motility, thereby achieving a laxative effect. Therefore, sweet potatoes are also suitable as a staple food in the second trimester.