hi doctor, my LMP was 26th june 2011, haven hd my periods yet, doctor had put me on a 5 day course of duphaston (twice daily) and folic acid, have completed my course two days bck, today is the 7th day, still haven got my periods, upt test coming negative, please help, when will i get my periods or should i go for another pregnnacy test in the coming days.... please help