Help!

Massy • Mommy of preemie twins born at 29 weeks with IVF fresh transfer
I got a call from my doctors assistant stating that he wants to start me on Letrozole because of my uterine lining!!!!
I am not sure what was meant about that but I have a baseline appointment on Friday for some tests before I start the medication, I am sure I will get all my questions answered.
I'm curious if any of you ladies have tried it and what were your results??!!