Fetal position RSCA is a transverse fetal position, mainly refers to fetal malposition, the corresponding condition will cause certain impact on labor and delivery, and need to be adjusted on a daily basis. Fetal position refers to the relationship between the point of fetal prenatal exposure and the mother’s pelvis, and when the fetus is in a transverse position, it is described as RSCA. This is a fetal malposition, which will have a certain impact on labor and delivery may be difficult in a natural delivery. Further treatment is needed when the condition is clinically apparent. If the corresponding fetal position occurs, it is usually necessary to pay attention to the left side lying position, in addition, under the guidance of the doctor can carry out the knee-chest lying position, which can help to change the position of the fetus. If the fetus is still in the transverse position before labor, it is not possible to have a normal delivery, and a cesarean section is needed to prevent obstructed labor.