Help ladies

Hey ladies

So I had this earlier today, with only mild cramping, ive felt really tired, sore boobs,bloating. I went to the toilet and when I wiped I had this, then when I went toilet later the same pinky, not getting darker or more amounts, I have pcos, my periods are very heavy,very painful and pass clots, I haven't got any of that, I know when af happens as I have to put a pad on and my cramping is horrendous with AF. I have never had this happen me before, if it's implantation how long can it last, it's very light and not getting heavier, still a very pinky red, not getting any darker, it's only when I wipe and had a couple a drops on my underwear, nothing like a period. Anyone else had this