How Long Should Medications Be Continued To Cure PCOD?

My age is 30 years and I am suffering with pcod I conceived for first time in 2009 and I got aborted and later on I got pcod and my gynaec in 2011 suggested some tablets and for two months I conceived and I gave birth to boy in2012 and for my bad luck that boy suffered with infection and died after 12 days. From then for 6 months my period was regular and from then my period used to come after taking registerone tablet I consulted gynaec recently and she gave b - long forte tablets and lycogold tablets and siocar syrup .how long I have to use this tablets my reports are normal