Me & My Boy Friend Had Sex On Last Month,

Me & my boy friend had sex on last month, and i had sever fever after that week and took injection and tablets. Now my period was already 8 days delayed (last period date 10-09-16). I don't want to get pregnant. I took 8 tablets of mensovit plus for the last 2 day. Still I didn't get my periods.
Please suggest me a good medicine for home treatment doctor plzz...because our marriage is on next year