iui / clomid

Hi ladies please suggest me wat should I go for ... We are trying for 26 months now but nothing happened .. My fertility doc wants me to go for <a href="https://glowing.com/glow-fertility-program">iui</a> please suggest me ladies I m not understanding whether to go for second opinion  or not .. I have thyroid too but is controlled still taking medicine .. Hope u will answer me.. 
​Thanx I will really appreciate