Cm what does mine mean?

So for the last few days my cm has been consistent and maybe even heavier than the days before...it's is a mixture of milky and creamy white and creamy but a tad slippery Definitely not ovulation as I ovulated about two weeks ago af is due in 2 days a d does not seem like my normal cm before my period....I've taken two test one 5 days ago and one 2 days ago both negative...also cervical postition seems to be soft and very closed ?? Any idea oh I am also on progesterone if that makes any difference? Thanks for any advice