Fetal movement in the fifth month of pregnancy may be related to the subjective feeling is not obvious, overworked body, fetal malnutrition, fetal intrauterine oxygen deficiency and other factors. 1. subjective feeling is not obvious: five months pregnant time is still relatively early, most women just started to feel the fetal movement, the fetus is relatively small and the amount of amniotic fluid in the uterus is relatively large, feel the fetal movement is not strong, will feel the fetal movement is rare. 2. overworked body: five months pregnant usually do more physical work, the body is overworked in the case of attention is distracted, may feel the fetal movement is very little. 3. Fetal malnutrition: Insufficient nutritional intake during pregnancy and malnutrition of the fetus will lead to a decrease in the amount of activity of the fetus, which will also result in the feeling of little fetal movement. 4. Fetal intrauterine oxygen deprivation: before the fifth month of pregnancy, there is more obvious fetal movement, suddenly fetal movement is very little, may also be caused by fetal intrauterine oxygen deprivation, such as the umbilical cord around the neck, umbilical cord torsion, pregnant women, anemia and other causes. There are many reasons why there is little fetal movement in the fifth month of pregnancy, and if there is any abnormality in fetal movement, it is recommended that you consult a doctor in time to clarify the specific cause of the problem and give targeted treatment.