The fetus is always moving below the navel, if not accompanied by other uncomfortable symptoms, that is normal, after 4 months of pregnancy most pregnant women began to appear fetal movement, with the increase in the month of pregnancy, the fetus grows, the force of activity increases, fetal movement will become more and more obvious, especially for the abdominal wall is thin, accompanied by the separation of the rectus abdominis muscle pregnant women, will be clearly felt below the navel fetal movement, and even in the abdomen to see the fetal limbs local bulge . Pregnant women should pay attention to regular maternity checkups and observe whether the fetal position is normal after 28 weeks of gestation. If the fetal position is found to be incorrect, after the contraindications to correct the fetal position are excluded, the fetal position should be corrected in time.