In the first category, animal foods include lean meat, beef and mutton, chicken, duck, fish and shrimp, and animal viscera, such as pig liver, pig belly and pig heart. The average protein content of this kind of food is about 20g/ 100g, and the protein of fish and shrimp is slightly lower, because the water content of fish and shrimp is slightly higher.
In the second category, soybeans include soybeans and black beans, and each 100g soybean contains about 35g-40g; Protein. Bean products include tofu, dried tofu, thousand pieces, vegetarian chicken, yuba and so on. In the second and third trimester of pregnancy, the daily intake of animal food is 4 Liang -5 Liang, and the intake of animal food is small, so bean products can be used instead.