Eat a diet high in protein, carbohydrates, fresh fruits and vegetables in the first trimester of pregnancy. Diversify your diet during pregnancy and pay attention to timely supplementation. The fetus is unstable in the first trimester, not strenuous exercise. You can eat some high protein food, such as: milk, lean meat, fish, tofu and so on. Daily intake of appropriate amount of carbohydrates, such as: rice, steamed bread, oats and so on. Also pay attention to supplementing fresh fruits and vegetables, such as: nectarines, oranges, spinach, celery, carrots and so on. The first trimester of pregnancy should also pay attention to supplementing folic acid to prevent fetal neural tube development malformations and so on. Pay attention to have more rest, don’t be tired, stay up late, eat less, eat more meals and so on. At the same time need to prohibit sexual life.