WELL LATELY IM ALWAYS TIRED AND I SLEEP A LOT IM ALWAYS THIRSTY AND HUNGRY IVE BEEN URINATING A LOT MY BACK HURTS REALLY BAD AT TIMES AND MY HEAD DOES TOO SOMETIMES I GET REALLY ITCHY DOWN IN MY VAGINA AND I GOT MY PERIOD BUT IM NOT BLEEDING LIKE USUAL ITS VERY LITTLE I DONT EVEN NEED A PAD OR TAMPON WHATS WRONG??