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 a posterior placenta is one that attaches itself to the back of the uterus, while an anterior placenta attaches itself to the front. Both placentalpositions are considered normal. having the placenta on the back wall of the uterus meansfeeling the baby's movements and kicks early and stronger. Moreover, posterior placenta is considered to be the best for the baby as it allows the baby to grow and descend to the right position and align in the birth canal for a vaginal birth.