Okay, I am 14. I just had sex thrice. The first time was just fine. Second time..it did hurt.We dont use condoms, ad we dont prefer so i took birth control pills. And after the second time, i started getting some smelly discharge untimely. The third time, we had sex..i took the pill, the next to next day, i got my periods in the same month!!! And my vagina was extremely itchy before the periods..I kept itching the previous night..and the next morning..i got my irregular periods..could you please help me out? about why this is happening? what shud be done to prevent it?