Tanner stages are a tool used by healthcare providers to evaluate development in puberty. They detail five specific stages of physical change in puberty, including genital, breast, and pubic hair ...

A new Danish study compiles 10 years of research from one of the world's largest and most detailed puberty cohorts and points to three main conclusions: puberty is occurring earlier; genes, pregnancy ...

Puberty brings a cascade of changes—physical, emotional, and social. New research suggests that teens who feel prepared to handle these changes experience better mental health through puberty. A study ...