Hi I'm 23years old and have two children and me and my huspand are ttc ,I haven't had a missed period yet I should be coming up to the day I would be normaly starting ,but iv been cramping for almost 3weeks and having really bad back pains and some spotting .I told my doctor and she did a blood pregnacy test and it came back negative I'm not sure if it came back negative because its still earlly but I'm really confused iv also been having some nausea and peeing like crazy .can anyone please help me I really need someone to talk to!