Posterior uterus has no special benefits when you are pregnant, instead it may cause back pain or anal cramping sensation. Generally the uterus is categorized into anterior uterus, median uterus and posterior uterus. Posterior uterus itself is one of the normal uterus, so it does not cause any special benefits after pregnancy because of posterior uterus. Prior to pregnancy, the cervix of the posterior uterus is in an upturned position and the cervix is less likely to come into contact with semen, which can lead to slightly lesser chances of conception as compared to that of the anterior uterus. After pregnancy, as the position of the fetus in posterior uterine position is generally more backward, more likely to experience back pain and anal cramps. Therefore, the symptoms of a posterior uterine pregnancy are otherwise similar to those of an anterior and posterior uterine pregnancy, with no special benefits or obvious disadvantages. During pregnancy, you should pay attention to rest more, at the same time, you should relax, avoid tension and anxiety, any discomfort should go to the hospital in time, the doctor will make a clear diagnosis, and cooperate with the doctor to deal with the symptoms.