I Am Having PCOD Problem. Due To Which I Am

I am having PCOD problem. due to which i am having Irregular period, I had Pregnancy Test which is negative .My period had stopped 3 month. I am consulting the doctor for start of my period .The doctor prescribe me to took sysron-n 2 tablets 3 days twice daily. But by mistake i took 2 tablets each for 3 days and waiting for 4 Still not got Periods . what should i do ?