Thank you so much.

If your health care provider determines that you have a posterior placenta, there's no need to worry. It's completely normal. The upper (or fundal) portion of the uterine back wall is one of the best locations for the fetus to be in. It allows them to move into the anterior position just before birth. This means that the placenta is attached to the back wall of the uterus but is in the lower part of the uterus. It is possible for this kind of placenta to also 'shift away' from the cervix as the pregnancy progresse