I m taking thyronorm 25 mcg from 5 months for conceiving. ,,, I got married in 2008 but couldn t conceive by now., all reports r normal of me & husband. .,& 3 years ago ., my tsh level was 5.10 &two months ago my tsh level was 2.17 .( please tell me, ,, how long tym should I take thyronorm 25 mcg)