Will Unwanted 72 Still Work If Taken Within A Day Of Unprotected Sex But With Food An Hour Later?

hello,Sir/ Mam , me and my girlfriend had unprotected sex, at night 12:30 am ..I dischared semen outside..but still had some doubt so my girlfriend take one unwanted 72 tab next day 9:30 pm..within 24 hrs of unprotected sex..but she ate 1 hr later after taking the medicine.. will that medicine work..?? plz help !!