I AM 13 AN I THINK THAT I STARTED MY PERIOD AND THEN LATER TONIGHT WEN I TOOK A SHOWER MY SECOND PAD DIDNT HAVE MUCH BLOOD ON IT AN THEN I REALIZED THAT THERE WAS NO BLOOD I HAD EARLIER FELL RIGHT ON MY vaginia HARD AN I DONT KNOW IF THAT CAUSED IT OR NOT..........SO WHAT IM ASKING IS IF YOUR PERIOD CAN LAST FROM LIKE 11pm TO 3 or 4 pm
blood came in my mouth. But i have no pain in my chest neck etc. What is this?