implantation pains or period pains ?

Hi beautiful ladies :) I am 2 days late on my period and have extremely bad pains like a period but they. One and go and I have had snot like cervical mucus I know it sounds gross and too much information but I'm so unsure I hope it isn't af as I have been hoping for my bfp for 3 years did anyone else get bad period pains but Ctually it was ovulation and implantation pains and your pregnant xxx ?