Fertile, tmi?

So I went to a new doctor and I had to do all the tests and etc. When I went to go pee in the cup I had a sterile wipe that I was supposed to wipe down there. I did b but then I peed in the cup and there was it looked like to be clear cm with some light brown areas in it. I had my period wednesday last week and it ended on sunday. Tomorrow I'm also supposed to be ovulating. But after I wiped with toilet paper I had the same thing but in a larger amount. Later at home I went to the bathroom like 4 hours later and it was there again. The thing is, my cm is always clear. So I was worried about that. I wasn't spotting or anything.