What's going on?

Krystal • TTC since February 2014. Miscarriage at 7 weeks on Dec 4 2015, 2009 son, 2018 daughter
Ok ladies, so last month I had a LOT of very watery cm for the 3 days prior to AF arriving. This month AF was due yesterday and I've been having thick creamy white cm for the past few days... Any ideas?!
P.s. I tested yesterday and today both with fmu and got bfn