Fetal movement at 28 weeks of pregnancy may be caused by the pregnant woman’s own factors, excessive amniotic fluid, intrauterine fetal hypoxia, and so on. 1. the pregnant woman’s own factors: it is possible that the pregnant woman herself is too obese, abdominal fat will be thicker, then the fetus fetal movement, the pregnant woman can not obviously notice. 2. Excessive amniotic fluid: some pregnant women have excessive amniotic fluid, which will play a buffer role in fetal movement, resulting in fetal movement is not obvious, and excessive amniotic fluid is detrimental to the growth and development of the fetus. 3. Fetal intrauterine anoxia: may be due to the umbilical cord around the neck serious or other reasons, resulting in fetal intrauterine anoxia, there may be a gradual decrease in fetal movement, or even fetal arrest. Fetal movement at 28 weeks of pregnancy may also be caused by other reasons, it is recommended to go to the hospital in time to identify the causes, in order to take early treatment.