What is this?

So my and my man have been trying to convince for 8 months now and I got off my period 2 weeks ago and yesterday when I went to the bathroom and wiped I saw this (picture below) and wen I wiped again it didn’t show n hasn’t popped back up, but today it happened again very light again just like the picture below... what is this Bc Ik I’m to soon for a period. Could I be pregnant? 🤞🏼