I M 31 Yrs.i Have Irregular Periods .dr Have Given

I m 31 yrs.i have irregular periods .dr have given me harmonal tests like fsh,prolactin,Tsh,Lh,Amh,total testosterone,Shbg,Hba1c,lipid profile,Usg of lower abdomen and pelvis..all test are okey..but still I can't conceive.after 6 months of trying dr given me adova 1mg from d3 to d7.is this medicine is okeyfor me .adova has any side effects?what are the possible couse for not conceiving.