Level 1: Contraindications before pregnancy Pregnancy is a very important thing. If you do not pay attention to your health before pregnancy, it may have adverse effects on the fetus. The following are some taboos that need to be paid attention to before pregnancy: 1.1 Diet: before pregnancy, you should try to avoid spicy, greasy, and irritating foods, as well as limit the intake of carbohydrates and sugar. 1.2 In terms of exercise: If you have not exercised before, do not suddenly start strenuous exercise before pregnancy. It is recommended to do aerobic exercise appropriately before pregnancy