Oh dear!! There is not any possibility to get pregnant thorough anal sex, so don’t worry! Sometimes periods are late, due to hormonal changes, stress, tension etc...you took morning pills, even it's not need in anal sex - only for cleanliness it is recommended you use a condom, and you already had period after anal sex...Just do wait for some days, Ok!! And then consult a registered doctor. Read here: https://lovematters.in/en/our-bodies/anal-sex-top-five-facts https://lovematters.in/en/making-love/ways-to-make-love/kaaisae-karae-gaudaa-maaithauna 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