my age is 20 ,I m suffering from irregular periods since last year ,my period got missed and then only back after taking duphaston ,my dr adviced me to take progynova 2mg for 3 months ,after completing 1 packet of 21 tablets my periods occur then my dr adviced me to start a new pack from 2nd day of my period and after that my 2nd pack has finished and it is now more than 7 days ..what to do now