hi doctor,i am 27yr old and i have the past history of pcod and thyroid problem taking the tablet metformin 500mg and eltroxin 50mg,since 1 year am trying for to get preganant,so we had taken treatment with clomid 50mg for 5 days and done fs,that time egg was not ruptured,nd again on aug we done the fs that time egg was ruptured and done iui,so dat time also not conceived,but in this month again done the fs with clomid tab,the follicle size is 20mm on left ovary and 14mm on right ovary,and done hcg injection,so this is the 16th day,dr told to take duphastone tab till 28th day,so my question is any hope to conceive on this month?and whet is the use of taking this tab duphastone?