Negative OPKs

Katelyn
I've been using the Clear Blue digital ovulation tests (detects your 2 most fertile days) since the day after my period ended and have been testing for 6 days straight w negative results every time, even though Glow says I am ovulating. I've been testing at the same time everyday (2pm) and have had EWCM for a few of those days, along w sore breasts. Is it possible that I'm ovulating and the tests just aren't picking it up? Has anyone gotten pregnant even though they haven't had a positive OPK?