Cm???

So I'm over my fertiles day like 5 days ago and I check my bbt is still around the 97.0's and check my cm is very watery down there and a tiny white mucus not much but mainly watery, I'm new with all this stuff does anyone knows or can help?? I'm barely learning about my body and ovulation ,cm,bbt and more I do have two kids but never pay attention to all this stuff lol