Low placenta is uncomfortable when standing for a while may be caused by some symptoms caused by low placenta as well as the discomfort caused by the fetus pressing on the lower limbs. 1. Symptoms caused by low placenta: the general placenta is some distance away from the mouth of the uterus, low placenta can be diagnosed as low placenta, which is part of the placenta praevia. It means that the placenta is attached to the lower part of the uterus, and the edge is less than two centimeters away from the internal opening. Some symptoms may occur, such as unprovoked, painless, recurrent, vaginal bleeding. After repeated vaginal bleeding there may be discomfort in itself as well as anemia, leading to discomfort such as weakness from prolonged standing. 2. Fetal compression of the lower limbs: when the diagnosis of fetal placenta hypogonadism, usually after the 28th week, into the perinatal period, at this time the fetus is relative to the pregnant woman’s body is a certain amount of pressure. When the weight and size of the fetus itself compresses the circulation of the lower limbs, there will be discomfort in the legs when standing, this time you need to try to sit down, pay attention to rest. Serious cases are recommended to actively seek medical attention to clarify the cause of the disease and targeted treatment.