Can Primolut N Be Taken For Postponing Periods?

HI IM 27 YEAR OLD UNMARRIED..ON 24 TH APRIL I GET MARRIED..I THINK MY DAY DATE OF MARRIEGE AND DATE OF PERIODS WILL CLASH..SO I DID NOT WANT ON MY MARRIGE DATE MY PERIODS WILL START.SO DR SUGGEST ME TO TAKE PRIMOLUT N..IF IT IS SAFE FOR ME?I HAVE PCOS ALSO.AFTER THAT ANY SIDE EFFECT WILL COME??HELP ME