So frustrated with everything!!!!

So I was tested for pcos and it came back negative and all my dr told me was to wait and keep trying. My fiancé and I have been trying for over a year and obviously being told that made me mad and frustrated so I called the dr's office and asked if there was another dr I could see because mine wasn't doing anything. The response I got was that the only other dr I could see would be an infertility specialist and that if I switched my current dr wouldn't take me back, ever. I was also told that if my insurance didn't cover it, it would be all out of pocket(which I already knew). And even more, I was told that if I did go and see this new dr, he "probably wouldn't be very invested because I'm only 19." I understand that I'm only 19 but I'm still a patient nonetheless. Needless to say I am very upset with how I've been treated at my hospital. I'm basically stuck with two choices: stay with my dr and have her do nothing, or switch doctors, Possibly pay completely out of pocket, and have him not give two shits.