I wish you all the best with your journey and I am very glad to hear that you are already on letrozole. This was one of the biggest mistakes that Napro made with me. I was left over a year a half before being put on any ovulation help.
I don't know of any other thread, it is so strange, all the fertility clinics are full but the threads are all quiet which adds to the loneliness of infertility and I am sorry that you and your partner are going through this. Fingers and toes crossed that you will get a result soon.