The position of fetal movement in breech position may exist in any position, because the fetus in the uterine cavity is not only the limbs are moving, but also rolling, etc. Fetal movement at the limbs is related to the position of the back of the fetus. 1. Sacral left anterior position: sacral left anterior position means that the buttocks of the fetus are below the pelvis, and the head is on the top, the sacral back of the fetus is on the left side of the mother’s pelvis, and the limbs are on the right side of the mother’s pelvis, and the position of fetal movement of the limbs is on the left side of the mother’s navel. 2. Sacral right anterior position: the sacral back of the fetus is on the right side of the mother’s pelvis, and the limbs are on the left side of the mother’s pelvis, and the fetal movement of the limbs is generally on the right side of the mother’s navel. Due to the different positions of the fetus in the mother’s body, the position of the fetal movement is also different, so the specific also under the guidance of the doctor, according to the situation to listen to the diagnosis.