The frequent movement of the fetus in mid-pregnancy and want to fart, consider with physiological factors, may also be the fetus lack of oxygen, indigestion and other factors lead to. 1. physiological factors: mid-pregnancy frequent fetal movement and want to fart may be usually overworked, eat too much at once and other factors, due to uterine contraction may appear frequent fetal movement symptoms, if occasionally produce this situation, generally do not need to be overly nervous. 2. Fetal hypoxia: If the umbilical cord is wrapped around the neck in mid-pregnancy, the fetus may suffer from hypoxia, which may lead to frequent fetal movements, and uterine contractions may stimulate the gastrointestinal tract, leading to farting symptoms. 3. Indigestion: If you don’t pay attention to your diet, indigestion may cause gastrointestinal motility to be affected, and intestinal gas to increase, which may lead to symptoms like farting, and at the same time may affect the normal activity of the fetus, resulting in symptoms of frequent fetal movement. If this symptom occurs frequently, it is recommended to consult a doctor for examination and treatment after clarifying the cause of the disease.