What does this mean?

Alisha • Married 6.7.2014❤️baby #1 born 6.2015❤️👼🏻baby #2 born 4.2018 at 21 weeks👼🏻❤️baby #3 due 4.2019❤️
I am a week into my 2 week wait and last night my cm increased by quite a bit...it's as clear as clear can be. I had a panty liner on today and by the end it was full. I've heard cm could mean ovulation, but what about during a ttw??