im 12 years old and i am very tall for my age and latley i have been getting clammey head head aches and bad tummy pains i am not due for my period untill 3 more weeks althugh i did have a problem with my period ware i had to have tablets but it has beeen fine since i am still a virgin so im not pregnat my mum is wondering why i keep getting these problems please could u tell us what it could be ? thanks jess