I'm 17 days late on my period. My fiancé and I regularly have unprotected sex. For about three weeks now I've been feeling very nauseous and normal smells drive me crazy. This week Ive been having crazy weird cravings like chili dogs (I hate chili) and pineapple ice cream. And overall just feel a little off. I've taken two at home pregnancy tests and both came back negative. I was told I should go to the doctor and get a pregnancy test but I don't want to waste money on a visit if they're just going to do the same test I've already done and it be negative again. What should I do?