More ideal growth rate: 1-2kg in total in early pregnancy; 0.3-0.5kg per week in mid and late pregnancy; 10-12kg total growth; 1, calories protein 15% fat 20% sugar 65; 2, protein 4-6 months of pregnancy, increase 15g per day; 7-8 months of pregnancy, increase 25g per day, meat, chicken, fish, especially milk; 3, sugar is mainly starch (1) iron after 4 months of pregnancy, about 300mg of iron into the fetus and placenta, 500mg into the pregnant woman; (2) calcium late pregnancy, 30g of calcium stored in the fetus, the rest in the bones of pregnant women, daily intake of calcium from 16 weeks of pregnancy 1000mg, increased to 1500mg in late pregnancy Chelated calcium, milk, dairy products; (3) Zinc is a component of protein and enzymes, important for growth and development. After 3rd trimester, intake 20mg daily, if insufficient after 3rd trimester, it can to FGR, dwarf children, miscarriage, gonadal dysplasia, skin disease. Pig liver, pig kidney, lean meat, etc.; sea fish, nori, oysters, clams, etc.; soybeans, mung beans, fava beans, etc.; (4) iodine daily intake of 175ug insufficient can be to hypothyroidism, neurological dysplasia; (5) selenium is an important component of glutathione peroxidase insufficient can cause primary cardiomyopathy and perinatal myocarditis eggs, pork, seafood, animal liver; (6) potassium after mid-pregnancy, blood potassium drop about 0.5mmol/L deficiency can lead to weakness, nausea, vomiting, alkalosis; (5) vitamins water-soluble (B, C), fat-soluble (A, D, E, K); (1) A also known as retinol, 1000ug daily milk, liver deficiency can lead to night blindness, anemia, premature birth, cleft lip and palate, small head; (2) B especially folic acid, 0.8mg daily, especially in the first trimester; cereals, first trimester 5mg of folic acid orally daily; (3) C bones, teeth, connective tissue, 80mg of fruits and vegetables daily, 600mg orally daily; (4) DD2 and D3, 10ug of cod liver oil, liver, egg yolk, fish deficiency can cause abnormal bone development; 3. Sugar mainly starch, 0.4~0.5kg daily after mid-pregnancy; 4. Trace elements except iron, all other dietary supplements; ( (1) Iron, after 4 months of pregnancy, about 300mg of iron enters the fetus and placenta, and 500mg enters the body of pregnant women; (2) Calcium, in late pregnancy, 30g of calcium is stored in the fetus, and the rest is in the bones of pregnant women; (3) Zinc is a component of protein and enzymes, and is important for growth and development, after 3 months of pregnancy, 20mg daily; if insufficient after 3 months of pregnancy, it can lead to FGR, dwarf children, miscarriage, gonadal dysplasia (4) Iodine 175ug daily, insufficient can lead to hypothyroidism, neurological dysplasia; (5) Selenium is an important component of glutathione peroxidase, insufficient can lead to primary cardiomyopathy and perinatal myocarditis; eggs, pork, seafood, animal liver (6) potassium after mid-pregnancy, blood potassium drops about 0.5 mmol/L, deficiency can cause weakness, nausea, vomiting, alkalosis; 5, vitamins water-soluble (B, C), fat-soluble (A, D, E, K); (1) A, also known as retinol, 1000ug daily; milk, liver deficiency can cause night blindness, anemia, premature birth, cleft lip and palate, small head; (2) B, especially folic acid, 0.8mg daily especially pre-pregnancy 3 months cereals, pre-pregnancy 3 months, oral folic acid 5mg daily; (3) C bones, teeth, connective tissue, 80mg daily fruits, vegetables, 600mg daily orally; (4) DD2 and D3, 10ug daily cod liver oil, liver, egg yolk, fish deficiencies can lead to abnormal bone development