Frequent fetal movement at 39 weeks of pregnancy is usually not about to give birth. Frequent fetal movement can be divided into physiological and pathological, pathological usually accompanied by abnormal symptoms, may be related to intrauterine fetal hypoxia, maternal fever, maternal hypoglycemia and other reasons. If physiological reasons are excluded, it is recommended that the patient go to the hospital in time. 1. Physiological: frequent fetal movement in 39 weeks of pregnancy may be related to physiological factors, pregnant women eat the body’s blood sugar content increases, the fetus also absorbs the nutrients, fetal movement will become more frequent than before eating, pregnant women nervousness, fatigue, loud sound stimulation, etc. can also lead to frequent fetal movement. 2. Pathological: frequent fetal movement in 39 weeks of pregnancy is accompanied by severe pain in the lower abdomen, vaginal bleeding and other symptoms. It may be related to acute fetal distress, placenta praevia, placenta previa and other causes of fetal hypoxia in the uterus, or the pregnant woman’s abdomen is violently impacted and the pregnant woman has fever, hypoglycemia and so on. If physiological factors are ruled out, it is recommended that the patient go to the hospital in time to clarify the cause of the disease.