Fetal movement generally appears from 18-20 weeks of pregnancy, if earlier than 18 weeks, no fetal movement throughout the day is usually a normal phenomenon, you can wait until the fetus develops to 18 weeks and then observe; if the fetus does not appear after 18 weeks of pregnancy, you need to pay attention to whether caused by the following reasons: 1, pregnant women with excessively thick abdominal fat: if pregnant women with thick abdominal fat layer, coupled with the fetal movement of the slightest, which may cause pregnant women to think that there is no movement; 2, fetal distress in the uterus: insufficient maternal blood oxygen, placental function or umbilical cord bypass and other factors leading to fetal hypoxia, so that fetal movement is abnormal. Fetal intrauterine distress: insufficient oxygenation of maternal blood, poor function of the placenta or umbilical cord around the neck and other factors leading to fetal hypoxia, so that the fetal movement is abnormal. With the aggravation of hypoxia fetal movement can be reduced, or even stop; 3, fetal cessation of development: due to chromosomal abnormalities in the embryo or the mother’s uterine cavity environment and other factors, may lead to the cessation of fetal development, so that can not feel the fetal movement. During pregnancy, you should pay attention to the reasonable intake of nutrients, you can appropriately increase the intake of vitamins and proteins to maintain the normal growth and development of the fetus. Be careful to avoid overeating, so as not to increase the risk of gestational diabetes and gestational hypertension. In addition, pregnant women can count the movement of the fetus during pregnancy, and if there are abnormalities, they should consult a doctor in time to improve the relevant examinations and give appropriate treatment and treatment measures.