Pelvis pains

Hi you guys! So I'm just a but curious what could be the cause of minor cramps or small like pains after a period, mine ended this past Friday, 10/28, now all of a sudden today 10/31 everytime I walk I feel a slight pressure, or small pain in my lower right pelvis, does anyone have and idea what this can be associated with? I'm not spotting nor am I bleeding just a come and go feeling when I'm walking feels like pressure...