Iui success?

Can anyone please share iui success? I just did my fifth one and am in the tww. Please please share if you’ve had success with iui and what your age is. I’m 37 and so scared. Should I just move on to ivf? I switched drs 6 months ago after seeing the last guy for a year and shot with no results and he was pushing me to go right to ivf. So my new dr has done all these iuis but none have worked at all. Should I have just tried ivf 6 months ago????? I’m so mad at these drs. No one has any idea why it isn’t working. All of our tests are perfect and I ovulate like clockwork. Please - any advise. I’m going crazy and so depressed. My life is in limbo and has been for years. What should we do.