symptoms

OK I don't know if I'm pregnant. My period was Last week it always lasted for 5 days straight since I was 12 years old . But this month it lasted 3 days heavy and 2 day spotting just one dot I always been heavy to mild bleeding.. well my two front top tooth hurts like if I was eating julups with my teeth it come and goes. Feel a light pressure in my lower and it runs to my rectum like if I have to go but nothing just peeing.. yesterday only my breast was hurting but not today. I know that ya not doctors but some of you had experience in this thing. Thank you all in advanced.