What Does A Cervix Look Like Right Before Menstruation Where Can I Find A Site That Shows Pictures Of A Normal Cervix?

Where can i find a site that shows pictures of a normal cervix? - what does a cervix look like right before menstruation

I'm trying to find a site that shows pictures of a normal cervix before menstruation and early pregnancy? I'm trying to think around the neck and need help and information can be found would be great. I also had 2 children, a site that shows pictures of what you see, after he had children, would be great. Thank you!