Generally, pregnancy reactions are more serious in the early stages of pregnancy. If the expectant mother carries out appropriate exercise at this time, it will not only change the mood of the expectant mother, but also be very beneficial to the development of the fetus. Posture 1: Sit on the floor, cross your feet at the ankles, and push your knees down slightly, or put your soles together and push your knees down slightly. Twice a day, twenty times each time.