HI Im 25 and want to get periods my cycle is 21 days but this time i didn't get periods on time i ask one gynecologist she suggest me to use Primolut Nor for 5days but for initial 3 days i use it n i have little blood spots only not as i have before normal flow as per on leaflet after discontinuning the treatment with in 2 to 3 days bleeding will start i have stop using this pill from one day plz suggest me is this right or wrong or what should i do to gett normal periods