Images Of Cervix Mucus Where Should The Cervix Be Located At?

Where should the cervix be located at? - images of cervix mucus

Im a little confused, I just saw a picture of the side view, where the neck and confused in the. seems to be all the way on the back and opening to the rear. I always thought I was right, but when I went to my spiral of Docter said he was a little later. Check my channel if its hard to find and then my right side. Can someone tell me where should be made right?