Suggest Treatment To Help Conception And Being Diagnosed With Thyroid

Hi I m 28 year old.I m Tring for a baby for last 7 month but not success .I m thyroid patient but since 6 month thyroid is also normal. My gyne give me medi adova and I m taking it for last 3 month but no result. Thn gyne suggest me to tak siphene medicine and go for follicular study on 8 th day of my cycle.My cycle is 30-34 days long. How follicular study help me. I m very much worried .Any other treatment can u suggest.