23 weeks pregnant suddenly one day did not feel the fetal movement may be pregnant women abdominal fat is too thick, intrauterine hypoxia, fetal arrest and other reasons, go to the hospital to check through observation, fertility preservation treatment, induced labor treatment. 1. maternal abdominal fat is too thick: pregnancy 23 weeks, some women are obese, abdominal fat layer is thicker, generally 16 to 20 weeks of pregnancy fetal movement, this time the fetal movement is relatively slight, so that pregnant women think that there is no fetal movement, this situation first go to the hospital to do ultrasound examination, found no problem first observation, no special treatment. 2. Intrauterine hypoxia: 23 weeks of pregnancy due to maternal blood oxygen deficiency, placental function is not good and other factors lead to intrauterine fetal hypoxia, will also make the fetal movement abnormal. With the aggravation of hypoxia fetal movement can be reduced or even stopped, showing a sudden day did not feel the fetal movement, first go to the hospital to check, according to the situation to see whether the treatment of fetal preservation, such as oxygen, sleep on the left side of the lying position, the fetal arrest patients terminate the pregnancy in a timely manner. 3. Fetal arrest: 23 weeks of pregnancy due to chromosomal abnormalities in the embryo, the mother’s uterine cavity environment and other factors affecting the impact of the fetus intrauterine stop developing, so that pregnant women suddenly a day do not feel the fetal movement, but also to go to the hospital for examination, to determine the fetal arrest and timely induced abortion treatment, such as Misoprostol, amniotic cavity injected with Ethacrynicity, and other ways of induced abortion. 23 weeks pregnant suddenly a day did not feel fetal movement, it is recommended to go to the hospital to check the cause, and then targeted treatment.