First, how to scientifically and reasonably nutrition during pregnancy First of all, reasonable nutrition during pregnancy should follow the principle of extensive recipes, so as to mix coarse with fine, and eat proper amount of milk and its products, vegetables and fruits every day to achieve comprehensive, scientific and reasonable nutritional needs and ensure the normal growth and development of the fetus. Pay special attention to the following points: 1. Maintain proper weight gain during pregnancy. Weight gain can't be too slow or too fast! Because it is too slow, it will affect fetal development and cause malnutrition.

2. Pay attention to a balanced diet and reasonable nutrition. Daily food should be diversified. Can't be picky about food, can't just eat vegetarian food, and can't just eat light vegetarian food. None of this is good. And pregnant women should eat more nutrition than usual. But we should also avoid overeating and cause obesity and other diseases. At the same time, be sure to eat appropriate coarse grains and miscellaneous grains, as well as fruits and vegetables. Try to eat fruits and vegetables, don't drink fruit juice!

3. Anemia, iron supplementation! Iron is very important for women's health, and iron is an indispensable nutrition for pregnant women after pregnancy. Iron can help pregnant women prevent anemia and avoid fetal malnutrition. For example, egg yolk, meat, liver, green vegetables, whole wheat bread and grains are rich in iron, and pregnant women can eat more of these foods.

These kinds of nutrition must be supplemented.

1, protein: protein is the foundation of growth and development, which is very important for fetal development in early pregnancy and the health of pregnant women. Pregnant women in the first trimester should ensure that they consume 70g of protein every day. Eat more tofu, lean meat, milk, fish and so on.

2, folic acid: taking folic acid in the first trimester can reduce the chance of fetal malformation, so pregnant women in the first trimester should actively take folic acid, through dark vegetables, such as spinach, carrots, asparagus, and fresh fruits: oranges, strawberries, tomatoes, etc. You can also take folic acid drugs on the advice of a doctor.

3, calcium: milk, clams, dried fish, amaranth, seaweed, soybeans, black beans, black sesame and other foods are rich in calcium, adequate calcium can prevent pregnant women from symptoms such as tension, headache, leg cramps, insomnia, tooth decay, and can also avoid fetal bone and tooth dysplasia.