During period?? Seemingly the chances are very low - and your period is still going, rather irregular, so in this situation, the chances are also low - but you took emergency pills after 72 hours, these pills works under 72 hours, and not supposed to be used in place of contraceptives because these affect the menstrual cycle of a woman. PLEASE do not use these carelessly. But don't worry, to assure yourself - it's better to do a home pregnancy test and calm down. And the pain is not conclusive signs of any sort for pregnancy. It’s perhaps fear and nervousness more than anything else. Read here: https://lovematters.in/hi/resource/faqs-period https://lovematters.in/hi/news/sex-during-my-period-do-i-need-contraception 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