Rahul bete! Yadi unhye ek baar periods theek tarah se aa chuke hain toh pregnancy ke chances nahi hai phir bhi yaad rakiye aapyad pregnancy se bachna hai toh safe sex yani condom ya uchit garbhnirodhan ke uchit upaye apnana ANIVRYA hai. Yeh link bhi padh lijiye: http://lovematters.in/hi/resource/safe-sex