Hi I had my last periods on 1st of Aug 2013, i had a cyst in one of my overy so doctuor put me on birth control in Aug, i took a tablet for 20 days. I did not get my periods in the end of aug... i want to see my Doc and she asked to take Modus 10mg, i took it for 6 days, Today is 9th day after i stopped modus , i still have not got periods. i had an HSG test to check my tubes last month so i am sure i am not pregnent