hiiiii i m take a treatement for the consulting of my dr., i m taken Diane -35 from 6 th march 2014, for 21 days, n my periods has comes in dayed 31st march 2014, next taken from a 5th apr 2014, actualy i want the the which date comes my periods in dec 2014,because my marriage are fixed in dec 2014, so please give me ans, cause i m very confused for fixing a date