Any idea?

hey all. Does anyone know what this is? im in my fertile window, and according to glow I've been in fertile window this wk. I've been getting high fertility on clear blue advanced but didn't get a peak fertility result this month and now have went back to the solid circle. so im not sure even I ovulated At all! We didn't baby dance alot tgis month. Just last sat n then Wednesday. This has been happening since Tueday and i had some bloody this morn..