Fetal position LOP is defined as left occipital posterior (LOP), while other common fetal positions during pregnancy include left occipital anterior (LOA), left occipital transverse (LOT), etc. If the fetus is not accompanied by other abnormal symptoms and all indicators are normal before delivery, it is normal. If a pregnant woman is found to be in LOP position during pregnancy by ultrasound or vaginal examination, and if the fetus is not accompanied by any other abnormal symptoms and all the indicators are normal before delivery, then it is a normal phenomenon and there is no need to worry too much. If the left occipital posterior position persists after delivery, it may cause obstructed labor and should be taken seriously. During pregnancy, expectant mothers should attend medical checkups on time, and learn to count fetal movements in late pregnancy to monitor the condition of the fetus. During pregnancy, she should also pay attention to keeping her body and mind happy and resting, and when accompanied by regular contractions and vaginal bleeding, she should consult a doctor in time for labor.