Bete mahilaoun mein periods takreeban 28 se 34 dino ke antral pe hoti hai, jo ki har mahila ke liye alag alag hota hai. So zara yeh padh lijiye: https://lovematters.in/hi/resource/menstrual-cycle Yadi aap is mudde par humse aur gehri charcha mein judna chahte hain toh hamare disccsion board “Just Poocho” mein zaroor shamil hon! https://lovematters.in/en/forum