Hi, Your history gives only limited information. Don t get disheartened by having -ve IUI. As your doc has started Thyronorm only 12.5 mcg, it means lowest dose, it s not significant. Thyronorm does not affect FSH !! No matter how much you travel, pregnancy is not affected. Kindly confirm if following test have been done. 1 . Husband- Atleast 2 semen analysis 4 weeks apart, showing all parameters normal . Preferably from an infertility center ( where trained andrologist examines ) Blood sugar 2 . Wife- Blood sugar / Thyroid levels/ Serum Prolactin Tubal patency evaluation with - HSG ( X-Ray with dye) or SSG ( Scan with dye ) or Laparoscopy Ultrasound scan of pelvis- evaluate Uterus & ovaries / adnexa Usually these tests will confirm one of the faults. If you are aged 35 yrs or above, have Serum AMH levels , to evaluate the number of eggs in ovaries. Don t worry IUI is not the last steps. There is time for everything, when right time come you will get that jackpot. Have faith All the best Dr.Balakrishnan