Help me

My peirod was supposed to start yesterday.. I been have white discharge since the 28. I don’t feel no since of my peirod coming on more less I’m having signs of pregnancy I think.. I been having cramps since the 29 and my boobs have been really sensitive to the touch.. I also have irregular peirod buts I feel like I’m pregnant some time i will get nauseous for no reason and I feel bloated and my back has been achy and been so tired lately and have no motivation!!!!