Seemingly the chances are low, you took a pill after unsafe sex. So that may have impacted your cycle. So dont worry - but to assuare yourself - do a home pregnancy test again, because earlier it's doubtful for you - morning urine sample is the best for it and calm yourslef down. Sometimes trauma upsets our cycyle too.  https://lovematters.in/hi/pregnancy/unsure-about-being-pregnant/unsafe-sex-missed-period-am-i-pregnant https://lovematters.in/hi/pregnancy/home-pregnancy-tests-dos-and-donts 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