Implantation bleeding ????

Sa
If u had it what was it like did u have headaches with it I was 4 days late started bleeding but only when I went potty not like my normal period at all and I had a migraine that lasted all day when it started more like sporting ish for me but I never get headaches and this was full force migraine all day almost crying that happend the day I started bleeding then went away the nxt day should I test? Or just count it as a wired period of had a miscarriage so I know that's not it opinions plz