Epidemiology
Reported prevalences of growing pains have been between 3% and 49% of children. Growing pains are said to typically occur in two periods during a child's life, firstly, between about 3 and 5 years old, then later in 8 to 12 year olds. There are however no published epidemiological studies to support this observation. Individuals can vary markedly in when they experience growing pains.
Read more about this topic: Growing Pains