1. Basic knowledge that pregnant women should know 1.1 Diet during pregnancy Diet during pregnancy is very important. Pregnant women need to pay attention to eating more foods rich in protein, vitamins, calcium, iron and other nutrients, such as chicken, fish, dairy products, etc. At the same time, avoid excessive intake of greasy, spicy and other irritating foods, as well as foods containing teratogens. 1.2 Exercise during pregnancy Proper exercise is good for both pregnant women and fetuses. It can strengthen and promote blood circulation. However, pregnant women need to choose an exercise method suitable for their physical condition and gestation period, and avoid strenuous exercise and long periods of standing.