This might sound like a dumb “?”..

Does everyone ovulate 14 days before their period? Im really confused.. according to glow (i know i didnt) i ovulated on the 20th but i checked my cm and it was THICK.. now im confused if i even ovulated or not , idk if me getting of my birth control a few months back interferes with it or if it happened a few days earlier and i just didn’t find out since i didn’t check myself prior idk anymore. 🙁