Ob-Gyn questions? Ask a gynecologist online.
Numerous medical books at Duke Medical, any fertility charting suggests checking your cervical position at least daily and 1000s of websites if you simply search Cervical Position. You are the first person in my 18 years of being a mother that I've heard that your cervix doesn't change positions? As for why I'm checking my cervix, I am currently ttc and am doing as all charts request (cervical position & cervical mucus).
No Sir, simply what I found in Duke Medical library while there for other reasons. By no mean am I an expert at the medical side, just the birthing side ; )