i have a daughter she is 12yrs old and it's been around like a month she suffering from a severe leg and calf ache during the night. even the doctors are confused seeing her problem they are not able to figure out what is the cause of the ache. i'm so worried. it sometimes aches during the day but mostly when she goes to sleep. and the aching some how stops only if she walks around for sometime. this is very urgent please help me please help me.