This question means that what range of fetal heart rate is normal. The normal range of fetal heart rate is 120-160 beats per minute, with a maximum of 160 beats and a minimum of 120 beats, which is the baseline. But the fact is that when the fetus is moving, the fetal heart rate is accelerated, in fact, it is the same as adults, for example, when running, running and jumping activities, the heart rate will be accelerated, the fetus is the same. It is normal for the fetal heart rate to respond to fetal movement, and it usually speeds up when there is fetal movement. The normal range of fetal heart rate is 120-160 beats per minute when it is usually quiet, and it is best not to go lower than 120 beats at the lowest and not to go higher than 160 beats per minute at the highest.