When Can Menstruation Be Expected After Discontinuing Primolut-N?

Hi I was suppose to get my periods on 1st but as I get it 5days ealier to my date I was suppose to get it on 25th but I was travlin so took primolut n for 24th dec till 2nd jan its been 3days when should I xpct my periods does it takes more days or I should get it within 3days