Idk what's going on advise please

I'm 9 days late I started spotting very light yesterday it was more discharged then anything I tested 2 days ago bpn is this my period or implantation bleeding I really don't know what I should do if this is my period then I need to know so I can time it can take me clomid what should I do cm is very stringy thick like 90's nick kids slime