MY 4 YEAR OLD DAUGHTER KEEPS GETTING BRUISES ON HER ARMS AND LEGS.JUST AS ONE FADES, IT SEEMS SHE GETS ANOTHER. I KNOW THAT KIDS ARE FOREVER BUMPING THEMSELVES AND HOPEFULLY THAT'S ALL IT IS, BUT I'M STARTING TO PANIC. THE BRUISES SEEM TO START OFF QUITE ORANGEY BROWN COLOURED. ANYONE KNOW IF THIS IS ANYTHING TO WORRY ABOUT?