Ok first off my period started coming on the 16 and done on the 21 since last july of 06 up until abut febuary. That's when it started coming on the 14-19 until april. In april it came on the 12-17. Then may it came on the 14-19 again and now its june and it just came on the 21 but it is very lighter than usual. I guess so that you can help me out I can say that i had sex on May 31 and that the condom busted. Now i dont eat the things I used to eat, I have headaches.etc. Around the 13 of June I did start to cramp and my breast were tender (those are the symptoms that I get when my period is here) but nothing happened. Then again I started cramping around the 20 and as I told you some bleeding showed up. I just took a pregnancy test today (june 22) but it came out negatie. Im really confused and dont know what is happening or what to do and if it helps by telling you my age I'm 16. Please give advice and reply back.