i want to postpone my periods, as per doctor suggestion i will be taking tablets sysron-n from 29-aug i.e 3 days prior to my periods till 4th-aug , i planned to exercise,walk,diet vigorously to reduce 5-6kgs in week, so starting from today, can i go ahead , will this effect my periods to come fast as already said will take tablets to postpone periods for some important occasion in home..pls suggest