me and my partner when havin sex dont use a condom, he only puts one on when he feels the need to if u get me (tmi) sorry!but durin the month of march i never had a period! yesterday i felt like crampin pains in my back which were painfull had to take paracatamol, never usually have to! i did 2 pregnancy tests and they were negative but they were ones from the poundshop. what are the chances of me being pregnant?