question: hi...i have hypothyroidism and i take 75mcg thyronorm medicines daily and i m 24 yrs old and for 2 yrs n i m trying to conceive from 1 yrs but i m not able.my doctors ask me for some tests n the test results are normal n now my doctor asked me for HSG test........i want to know how this hsg test performs n is it painful for me to do this test?plz give me the answer.........i m worried about the pain.