The past couple of days I got hit in the chest at a soccer game and ever since then my right breast had been killing me! I made sure i didnt have any bumps or anything and i dont, but i know this is a stupid question but is there something in your breast that you can break or tear or something? And If it helps i have had my period.

Well getting hit in the chest with a soccer ball can be painful and it probably is bruised! Give it about three days! But if you really wanna be safe about it go to you family doctor and tell them what is going on! Its always better to take care of yourself sooner then later! Good luck with everything!

It could just be briusing or tender from you going on your period