Fetal movement and fetal hiccups are significantly different in terms of mechanism of occurrence, manifestation and clinical significance. The main differences are as follows: 1. Mechanism of occurrence: Fetal movement refers to the fetus reaching and kicking in the uterine cavity and other movements impacting the uterine wall by amniotic fluid diffusion or appearing in direct contact with the uterine wall. Fetal hiccups refer to the continuous swallowing of amniotic fluid by the fetus in the uterine cavity of the pregnant woman, which stimulates the alveoli and stimulates the development of the lungs, and the diaphragm is stimulated when swallowing too fast and paroxysmal spasms and contractions occur; 2. Manifestations: fetal movements are mostly manifested as instantaneous and widespread activities of the fetus both locally and as a whole. Fetal hiccups are manifested as localized regular vibrations like a heartbeat, and a bouncing sensation when touched by hand; 3. Duration: fetal movement is usually no less than 3-5 times an hour, and each fetal movement lasts for a longer period of time. The fetal hiccups are usually once every 2-3 seconds and last about 2-5 minutes, some of them last 10-20 minutes; 4, clinical significance: fetal movement is the easiest and most effective way to self-monitor whether the fetus is hypoxic in the womb during pregnancy, if there is too frequent fetal movement or abnormal decrease in fetal movement, you need to be alert to the possibility of fetal hypoxia in the womb and go to the hospital immediately; fetal hiccups are normal physiological phenomena and generally do not require special treatment. The fetal hiccups are normal physiological phenomena and usually do not require special treatment and can disappear on their own. The fetal movement and fetal hiccups are distinctly different, so pregnant women should pay attention to the distinction and not count the number of hiccups into the number of fetal movements to avoid errors and inability to accurately assess the situation of the fetus in the uterus.