Medical abortion

Patient: Helloi am 36 years old with a 5 years old baby . and live in turkey as a refugee applicatori had menstural cycle from 12-10-2011 to 19-10-2011i had unsafe sex 10 days ago in 26-10-2011 and have ovulation in 27-10-2011, i think maybe i am 8 days pregnant . in drug store they gave me Mesigyna ( 50 mg norethisterone and 5mg estradiol valerat ) per 1ml of mesiygnacan this drug cause abortion?thank you