What To Do For Getting Periods Naturally And Conceive As Well?

Hi Dr.I am 30 years old.in december 2010.the gynae gave me two cycles of clomid starting d3-d9,on d12,response wasnt good,he told me 2 continue on another packet till d23,went for the scan,response was bad.went for 1 month without a period,preg test was negative,late feb 2011 i went for the scan,endometrium was very thick 22mm with a ready ovary 18mm,he gave me microgynon for 15 days,3 days after taking,i had my period,went back for the scan,uterus lining was back to 12mm,but pregancy test was negative.Today d 35 ive gone to the lab,fsh is low 0.54,pregnancy test is negative .please advise,i want to ve my regular period naturally and conceive as well.