Possible reasons for frequent fetal movements at night include adequate nutrition, psychological factors, different biological clocks of mothers and babies, pregnant women are too focused, fetal hypoxia, etc.: 1, adequate nutrition: pregnant women have dinner to deliver enough nutrition to the fetus, with nutritional supplements, the fetus is energetic and active, fetal movements will increase; 2, psychological factors: may be due to pregnant women in the evening after bathing, relaxed physical and mental state, emotional pleasure The baby will feel comfortable in the womb, and the fetal movement will increase naturally; 3, the mother and baby biological clock is different: the fetus usually sleeps up to 22 hours a day, and may be awake at night, so the relative activity will be more, and the fetal movement will be more obvious; 4, the pregnant woman is too focused: the pregnant woman may be distracted by work and life chores during the day, not paying attention to count the fetal movement, and at night, the pregnant woman’s attention will be more focused on the fetus, slight multiple fetal movements will be considered as frequent fetal movements; 5, fetal hypoxia: if the fetus is hypoxic due to factors such as the fetal cord around the neck, the number of fetal movements will increase significantly. Pregnant women should learn to identify normal and abnormal fetal movements. If the fetal movements are at 2-3 times per hour, it means that the fetus is normal. Pregnant women can sleep by lying on the left side, which is good for fetal oxygen supply and avoid intrauterine hypoxia of the fetus. If the fetal movement is abnormal, you need to seek medical attention in time to determine whether the fetus has any abnormalities such as hypoxia by doing fetal heart monitoring.