A bouncing fetus at 23 weeks is a sign of fetal movement. Fetal movement refers to the body movement of the fetus, most pregnant women will be able to consciously feel the fetal movement at about 20 weeks of gestation, and with the increase of gestational weeks and gradually enhanced. However, before the 28th week of pregnancy, fetal movement is not regular, when the fetus jumps and jumps, it is also a sign of fetal movement, there is no need to be nervous, you can continue to observe the changes in fetal movement. Fetal movement counting is a simple method for pregnant women to self-evaluate the intrauterine condition of the fetus, and it needs to be started after 28 weeks of gestation in accordance with medical advice. Normal fetal movement is ≥10 times/2 hours, and when there are fetal movements <10 times/2 hours or a 50% decrease in the number of fetal movements, it is necessary to go to the hospital in a timely manner for ultrasonographic examination, umbilical cord blood flow monitoring and fetal biophysical scoring to make a comprehensive judgment.