Listen Ritika bete there is not any possibility to get pregnant through anal sex don’t worry! But for cleanliness it is recommended you use a condom. And the causes of irregular menstrual circle is may be because of stress, tension or hormonal changes. Consult a registered doctor for delay of menstrual circle and pain of abdomen. 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 https://lovematters.in/hi/pregnancy/pregnancy-scare Yadi aap is mudde par humse aur gehri charcha mein judna chahte hain to hamare discussion board “Just Poocho” mein zaroor shamil ho! https://lovematters.in/en/forum