Suggest Treatment For Delayed Periods

my doctor suggested me to use meprate 10 for 3 days 3 times a day. i have missed my period by 12 days. by when can i get my periods. i am 22 years old, 50 kgs & no health problems.I am engrossed into sports & dancing since last 3 months due to which my previous periods were also delayed by 8 days & 5 days respectively.