It is normal for the placenta to be located in both the anterior and posterior walls of the uterus, and there is no one better. After the fertilization of the egg, the location of the placenta is random, regardless of the anterior and posterior walls, as long as there is no placenta hypoplasia, it is normal, there is no difference between good and bad, pregnant women do not need to pay too much attention to these. Whether the placenta is good or not, mainly depends on the function of the placenta is good or not, can supply the fetus with enough nutrients, oxygen, to ensure the development of the fetus, and no matter whether the placenta of the anterior wall or the posterior wall, the function is the same, and has nothing to do with the position. Pregnant women do not need to care too much about the position of the placenta after the ultrasound examination, and just take pregnancy tests on time.