Pregnant women in the first three months of pregnancy can exercise appropriately, but be careful not to exercise strenuously, such as climbing, jumping, diving, ball sports, horseback riding and other activities, it is best not to do. Pregnant women are advised to choose sports with slow movements, such as walking, swimming, yoga during pregnancy, etc. In addition, the environment for exercise should not be too humid or too hot. Proper exercise during pregnancy is beneficial to pregnant women, for example, it can promote the metabolism of pregnant women and fetuses, and also stimulate the development of fetal brain organs, balance organs, sensory organs, and respiratory system, etc. It is recommended that pregnant women should not neglect physical exercise during pregnancy, and exercise should be moderate and not strenuous in the early 3 months and the second 3 months of pregnancy. The first 3 months of pregnancy is the most critical period of pregnancy, as the embryo has not yet stabilized in the womb during this period, there is always the possibility of miscarriage, so pregnant women must be especially careful when exercising. If you experience abdominal pain, vaginal bleeding or other discomfort after the activity, you should stop the activity immediately and go to the hospital for examination and treatment in time to avoid miscarriage.