In the second month of pregnancy, which is the early stage of pregnancy, precautions mainly include timely maternity checkups, folic acid supplementation and avoiding sexual intercourse. 1.Obstetric checkup on time: Ultrasound test to determine whether the pregnancy is intrauterine and confirm that it is live, and then arrange the first obstetric checkup of early pregnancy. First, the general condition of the pregnant woman will be measured, such as height, weight, blood pressure, blood type and blood routine, and then the liver and kidney function, infection four items that must be checked, and then the HCG value will be monitored to clarify whether the physical condition of the pregnant woman will affect the development of the fetus; 2, supplementation of folic acid: attention needs to be paid to supplementation of folic acid, at least for the first three months of pregnancy, which can effectively prevent the fetus from neural tube malformation and other diseases 3, avoid sex: women in the second month of pregnancy placenta has not formed, the fetus is unstable, premature sex is likely to cause contractions leading to miscarriage; 4, away from the dangerous environment: pregnant women who are in dangerous work, such as heavy physical labor, the need to contact toxic substances, rays, etc., should try to take time off work, transfer in early pregnancy, if there is radiation in the living environment, serious pollution, etc., should also pay attention to stay away; 5, maintain good habits: pregnant women should pay attention to quit smoking, quit drinking, ensure sufficient sleep as well as a stable and pleasant mood, bathing can choose shower instead of tub bath, pay attention to personal hygiene, change clothes often; 6, adjust the diet: pregnant women need a balanced intake of nutrition, it is recommended to choose light, easy to digest food, such as citrus, bananas, lean meat, nuts, eggs, soy products, meat (fish, poultry) Black fungus, red dates and green vegetables and other foods rich in vitamins and proteins. Also ensure the intake of water, the daily water intake can be controlled at 1500-2000mL, avoid eating fried, puffed food; 7, exercise: early pregnancy can be some soothing exercise, such as walking, slow stretching limbs, yoga, etc., should not do strenuous exercise.