Does Cm Change Right Before Your Period How Soon After Ovulation Does Your Cervix Change?

How soon after ovulation does your cervix change? - does cm change right before your period

I ovulate six days ago and today my cervix is high soft and smooth like. Is this normal for this time period?
Oh, and I see a lot of CM Slimmy clearish well.

I wonder how long after ovulation you have to change, grow weaker and signed before the beginning of his mandate.

My next time is approximately 7 August