I think i experienced implantation cramping help!?

need answers! yesterday according to my counting and my pregnology site..implantation may have occurred yesterday pretty much all day..as well as the night before i had significant cramps like felt like AF...today i just have mild abdomen twinges..and the occasional mild cramp..nothing like yesterday..does this sound like implantation may have occurred..no bleeding or spotting..yes on ovulation etc etc.. i know you all dont know for sure but does this sound similar to anyone else.