Hello I M Trying For Pregnancy Last 2 Yr But

Hello I m trying for pregnancy last 2 yr but nothing happen I have thyroid prblm for that I have taken 100 mg tablet my ovalution study is nrml without taken any injection my hormonal test also nrml my EB report is also nrml my Dr prescribed me clofert100 mg 2 day of my period what can I do I m very disturbed waiting every month but nothing happen plz suggest me thanx