Someone explain to me more about cervical fluid?

Soo on the 17th my cervical fluid looked like my ovulation date was coming n for like 2-3 days but it was on n off every time I checked but after two to three days it went to dry but still wet n then yesterday a lil creamy n sticky an today it’s more creamy n less sticky n my cervix is up high n feels like my chin I don’t know if it’s open or closed lol but please help me out oh n I been having light cramping