I have been feeling sick to my stomach, very tired, and my breasts have been extremely tender, for the past 2 weeks (only only getting worse and swollen). I saw my OB-GYN over a week ago, I was very nervous because of perscription medications I take, but the blood test came back negative, but even he said I sound like I'm pregnant. I am expecting my period any day now. I'm a nervous wreck- Please help.