Diet has a serious impact on both pregnant women and fetuses. A well-being baby must have enough nutrients and preparations should begin half a year before preparing for pregnancy. The vitality of adding sperm and eggs Both husband and wife are more likely to suffer from pregnancy loss due to lack of sperm or egg growth, eat lean meat, eggs, fish, shrimp, liver, beans and soy products, seafood, fresh vegetables and seasonal fruits, etc. Improve some of the shortcomings of sperm and egg and increase the probability of conception. Days must pay attention to pay The body has enough water to help eradicate various metabolic poisons such as heavy metals in the body, enhance immune function and resistance to disease, especially in the summer, so as to provide an outstanding growth and development environment for the pregnant fetus. But pay attention to drinking boiled water that naturally cools after being boiled. This type of water has a common biological activity. Drink less artificially-made beverages or juices such as caffeine, pigments, and flavors. Rational use of contraceptives Careful use of contraceptives should be taken during the first 3 months of pregnancy, because these contraceptives are simple and lead to the lack of water-soluble vitamins such as folic acid, B vitamins, and trace elements such as zinc and iron. Diet to return to natural As the saying goes: "If you don't eat green in three days, you will see stars in both eyes." This means that people's well-being cannot be separated from the green vegetables that are native to the natural world. Therefore, when preparing for pregnancy and after pregnancy, care should be taken to use fresh, non-polluting vegetables, fruits and vegetables, and add some wild vegetables and wild edible mushrooms to the table. Prevent the consumption of foods containing food additives, pigments, and preservatives to produce high-quality sperm and eggs in the body to form excellent embryos. Pay attention to storing calcium and iron in the body In the second and third trimesters of pregnancy, iron deficiency anaemia and calcium deficiency occur. It is too late to make up for it after conception, especially if the woman has poor nutrition. Therefore, you should eat more foods such as fish, milk, cheese, seaweed, beef, pork, eggs, beans, and green and yellow vegetables before pregnancy. Store abundant iron and calcium in your body to avoid the lack of iron and calcium after pregnancy. Diversification in diet Different foods contain different nutrients and nutrient content. Therefore, the food must be eaten mixed, do not partial eclipse or taboo, the best meal is to eat, especially the whole grains.