Still no AF 🤔🤔🤔

So was supposed to start period yesterday have had no cramps atall nothing to make me think the bitch is on the way anyway get to about 5.30pm and I need to go shop I go toilet and a see a slightly darker couler in my knickers when I wipe I have the lightest pink ever on the tissue but not on my pad that I put in last time I started after a bit of light pink and brown mucus discharge. Woke up just now for a wee think she will come when I stand up still nothin in pad and even smaller amount of pink when wipe now 🤔🤔🤔🤔🤔 what the fuck is going on could I still be pregnant had any one had this