Fetal movement in the 23rd week of pregnancy is a normal phenomenon and can be temporarily observed. Fetal movement refers to the movement of the fetal body, most pregnant women will be able to consciously feel the fetal movement in about 20 weeks of pregnancy, generally in the 23rd week of pregnancy when the fetal movement is relatively small, and due to the number of fetal movements and the amplitude of the activities are relatively small. Therefore, pregnant women will feel the fetal movement is particularly light, this is a normal phenomenon, can continue to observe. Fetal movement will be gradually strengthened with the increase of gestational weeks, and generally will reach the peak at about 32-34 weeks of pregnancy. Fetal movement will be more active at night and in the afternoon, and will disappear during the sleep cycle. Clinically, after 28 weeks of gestation, it is necessary to follow the medical advice to count the fetal movement, generally ≥ 10 times/2 hours is normal, when there is a decrease in fetal movement should go to the hospital in order to rule out the risk of fetal hypoxia.