10 Feb ko mere period aya tha aur 22feb ko meine apne pati ke sath phli bar sex kiya tha tb se hum dono ke bich koch nhi hua h .Ab es month abi tk mujhe periods nhi aya h .tbki phle mujhe 28 dino ke andar hi periods aa jata tha to es bar late honi ki kya vajah h plzz bataiye Mujhe?