Bete Periods ke shuruat mein inska aneemit hona swabhivik hai jisko niyamit hone mein kuch waqt lag sakta hai lekin baad mein yeh takreeban 28 se 34 dino ke antral pe hoti hai, jo ki har mahila ke liye alag alag hota hai. Ok?. https://lovematters.in/hi/resource/menstrual-cycle Saath hee unhe kisi vishagya ya achche panjikrit doctor se bhee mill lena chahiye..