38 weeks pregnant fetal movement when the fetal heart 168 if the duration is not long, then it can also be physiological elevation, if it is a long time to continue 168, then it may be abnormal, under normal circumstances, the fetal heart is generally between 110-160. Generally speaking, if the fetal heart rate is higher or lower than 110-160 for a long period of time, it may be abnormal, but it may also be related to the activities of the pregnant woman or her diet and emotions. If the fetal heart rate is found to be abnormal in the hospital, then it is recommended that further ultrasound testing is needed to see the condition of the fetus in the uterus as well as whether there are any abnormalities in the amniotic fluid, to rule out whether it is due to hypoxia and so on. It is also important to determine whether the pregnant woman’s thyroid function is abnormal and requires timely intervention.