Jeez.. you really really need to NOT check your cervix! You seriously run the risk of infection. Which is possibly what it could be.
Google the cervix project. Your cervix changes every single day!
When I had my 2nd child, the dr examined me and he asked ME where my cervix was because he couldn't even see it!
But seriously. Throw the speculum away. You're adding to your anxiety massively, I'm guessing you're not medically trained, you have no idea what you're looking for. Anything you Google health related will lead to cancer..