Lilly bete you took an emergency pills after unsafe sex, so there are virtually no chances of being pregnant. These pills are affect the menstrual cycle of a woman. PLEASE do not use these carelessly. Also you had having period, even not as usual, after unsafe sex, so seems no chances of pregnancy, Just relax!! But just to be on the safe side, it would be wise to take a home pregnancy test. Please use condom next time. Read here: https://lovematters.in/hi/resource/safe-sex https://lovematters.in/hi/birth-control/types-of-birth-control/emergency-contraception If you would like to join in on a further discussion on this topic, join our discussion board, ‘Just Ask’ https://lovematters.in/en/forum