What is happening???

For the past 6 months I have been tracking my period and it is always 30-31 days. I typically get EWCM about cd12-13.

However, this past month I had lots of watery discharge around those days instead of EWCM and I didn't think anything of it bc we have BD every other day since my period quit and still BD till AF shows up.

Today is CD22 and when I went to pee I wiped and had a huge blob of EWCM. This evening I also had diarrhea (sorry tmi). I'm suppose to start AF Sept. 18th.

Am I ovulating late? Is it too late to still conceive? Is this a pregnancy sign? We are TTC.