Preg ? Need some advise please

From the end of sept to the begging of OCt so from sept 30 to October 6th I was very nausea and dizzy all the time and then it went a way then it came back oct 24th till still today I've been very tired but can't sleep at night can't Stand some smells and my some times my lower back hurts and some times when I go pee I have a sharp pain like a side sticker I've been going to the bath room pretty much and two days a go I was having like a Clair discharge only in the morning/after noon and my boobs started geting theese little bumps around my nipples but I really don't have no pain there sensitive but not Mager pain and my last period was sept 19th and it was only three days very light then usly