Dear, sometimes periods are too late...because of stress, tension and hormonal changes. So the best would be to see a few day. And first of all be sure about the pregnancy, so - take a home pregnancy test ten days after unprotected sex - morning urine is best for samples. After that consult a registered doctor. Read here: 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