Anybody knows HELP W/PIC (TMI),WE ALL ARE LADIES

Already had AF as u can see & I'm thing if I conceived on the 22nd that's why I'm spotting brown w/a pantyliner on or I'm just spotting cause of ovulation the top opk test was on the 22nd it looked positive & I had sex on that day as u can see also,,So can this be OVULATION BROWN OR IMPLANTATION BROWN??