Fetal movement in the twenty-fifth week of pregnancy is like a small fish swimming, relatively slight, with a certain regularity, 3-5 times per hour. Fetal movement is the activity of the fetus in the uterus, generally in the 16-20 weeks of pregnancy pregnant mothers began to perceive fetal movement, this time the fetus strength is small, fetal movement is weak, with the increase in gestational weeks, the amplitude of fetal movement gradually increased. Pregnancy 25 weeks pregnant mothers can already feel fetal movement, but this stage of the fetus is still small, intrauterine space is large, fetal movement than the beginning of the intensity increases, may be like a small fish swimming in general. Fetal movement is an important indicator for obstetricians to measure and observe whether the fetus is well in the womb, at present, clinical obstetrics generally recommend regular monitoring of fetal movement from the 28th week of pregnancy, pregnant women need to choose a fixed three hours a day, counting the number of times the fetus moves during the time, 3-5 times an hour is normal, fetal movement is too frequent or reduced may indicate fetal abnormality, and need to be promptly evaluated by a doctor. Fetal movement at 25 weeks of pregnancy may still be relatively weak, if the pregnant woman feels that the frequency of fetal movement is significantly different from the ordinary, it is recommended to consult a doctor for timely evaluation.