Listen periods are irregular when they start, but if it is irregular every month, please consult a specialist or a registered doctor soon. And these are not conclusive signs of pregnancy, it may be because of stress or tension or anything else - symptoms don't come so soon anyway, but if there had been an unprotected sex, and missed your period, it is suggested to take a home pregnancy test after 10 days of unsafe sex to be assured yourself. Morning urine sample is much better for this. Read here also: https://lovematters.in/hi/resource/safe-sex https://lovematters.in/hi/pregnancy/home-pregnancy-tests-dos-and-donts https://lovematters.in/hi/resource/menstrual-cycle https://lovematters.in/hi/our-bodies/my-periods-are-irregular-what-should-i-do 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