Ovulation question

Hey, so ive been tracking with digital opk(positive wed, thurs & today) well last night about 11pm cd13 i noticed a slight brown cm when i wiped, well today cd14, i woke to nothing, but as morning passed i went to the toilet and noticed brown'ish cm on my underwear & sorta like period spotting Can u spott during ovulation😯😓 also thursday & today we done @homeAI with a 5ml syringe if maybe that could have done something to me. Im so clueless!