Early pregnancy refers to within 12 weeks of pregnancy, within 12 weeks of pregnancy can be appropriate to carry out some aerobic exercise, such as yoga, walking, etc., but pregnant women should pay attention to control the intensity, duration and type of exercise. 1. Exercise intensity: the intensity of exercise can take a moderate amount of exercise, in order to feel a little fatigue is appropriate, not excessive fatigue. 2. Exercise time: within 12 weeks of pregnancy, if there are no other adverse symptoms and reactions, the duration of exercise to half an hour to an hour or so appropriate; moderate exercise is conducive to the health of pregnant women, but if the exercise time is too long for pregnant women to consume more physical strength, but to play a counterproductive. 3. Types of exercise: within 12 weeks of pregnancy can take some softer way, such as yoga, walking, swimming, etc., try to avoid more strenuous exercise, such as playing soccer, basketball, etc.. If abdominal pain, vaginal bleeding and other abnormalities occur during pregnancy, you need to stop exercising and consult a doctor in time.