8 weeks pp. Possibly pregnant but...

Doctor told me to call back in two weeks if my test is still positive. It is. It hasnt gotten dark but it is still the same line. Not lighter. Sometimes darker I guess dependly on my fluids. When I called back after two weeks now they're telling me the horomones can stay in up to 8 weeks and to call back at 10 weeks. Wth?? Like if I'm not pregnant I would like to know if everything's okay and if I am pregnant I need to get checked to make sure everything's good. Why are they giving me the run around. Anyone gotten pregnant this soon?