TTC: Clomid vs Femara

Kate
I am 36 and have "unexplained infertility" - we have been TTC for almost a year and a half. I am about to undergo my first round of Clomid and <a href="https://glowing.com/glow-fertility-program">IUI</a>. My doctor suggested Clomid while my acupuncturist recommended Femara. Does anyone have an opinion about what versus the other? Any success stories?