Hi. I Took Primolut Last Month For 10 Days And

Hi. I took Primolut last month for 10 days and took 1 ipill as well. My periods usually last for 7 days, however they lasted only for 3 days with almost no bleeding. I got my periods this month, however, i am not bleeding as much as i should. I havent taken any tablets or dont use birth control. Is this okay?