36w, is this from cervical check or bloody show? Or both?!

36 weeks today, and yesterday I had my first cervical check. Doc said I am 1 cm and “starting to thin out” but did not say how much I am effaced. She told me spotting would be normal afterwards, which I had yesterday. This am I shower, then about an hour and a half later I pee, and this is on my toilet paper when I wipe. The blood is expected, but the clump?! Is that part of my mucus plug/bloody show? Or just a normal part of spotting? Yesterday there were no clumps, just spotting.