It is not normal for the fetus to sit in the abdomen. The decision to correct the fetal position can be made according to the week of gestation, and if necessary, active medical attention should be sought. Fetus sitting in the abdomen belongs to breech position, the normal fetal position should be cephalic position, if the fetal position is breech, it belongs to the situation of fetal malposition, which may affect the normal delivery. Fetus sitting in the abdomen occurs before 28 weeks of pregnancy, due to the small gestational weeks, the fetal position is not completely fixed, the fetus may later turn into the head position, so can not be dealt with first; fetus still sitting in the abdomen after 28 weeks, at this time, the fetal position has been fixed, there is no umbilical cord around the neck of the case can be corrected under the guidance of the doctor, knee thoracic recumbent position, external inversion surgery. If the fetus is still sitting in the abdomen after 28 weeks and the umbilical cord is wrapped around the neck, it is not recommended that the pregnant woman corrects the fetal position by herself, and she should go to a regular hospital in time.