Adolescence is a transitional stage of physical, emotional, and cognitive human development occurring before the onset of puberty and ending by adulthood.
advised that girls who start to develop breasts and pubic hair at age 6 or 7 years are not necessarily abnormal.
(1) The guidelines were based on a number of studies, the most important being the trial by Herman-Giddens et al (2) of 17,000 girls between the ages of 3 and 12 years who were patients in more than 200 pediatricians’ offices across the country.
Puberty marks the obvious physical development in early to middle adolescence and is seen as the time for potential onset of sexual thoughts and experimentation.
On average, middle adolescence is a time when teens begin to be interested in more intimate relationships and experimentation.
Even infants are curious about their own bodies and will often touch their genitals in the bathtub or during diaper changes, and baby boys have regular erections.