Is Missed Period Normal After Taking Regestrone, Ipill And Norgest?

i took regestrone 5mg, twice daily for 5 days to delay my periods. then i had unprotected sex with my fiance. to avoid pregnancy i took i-pill. i didn't have periods so took norgest,twice daily for 3 days. i am still not having my periods. please prescribe me some medicines to start my periods.