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 ...

The age at which girls begin their menstrual cycles, known as menarche, has been decreasing over the years. While historically, the average age of menarche was around 14-15 years, many girls today ...

Hormonal indicators could be useful for detecting early pubertal onset, but there is little research on how they are related to puberty in US girls. We determined median age at hormonal onset of ...

Everyone goes through puberty differently. However, there are puberty stages that usually happen at certain ages in a young person’s development. In this article, we look at the stages of puberty for ...

If the coming-of-age changes you notice in your child make you wonder if the kid you still consider your “baby” is literally growing up too fast, it’s probably nothing to worry about. “I think a lot ...

Puberty usually starts between ages 9 and 15 in boys and 8 and 13 in girls. Timing varies widely, so friends may develop sooner. In boys, puberty begins when testosterone rises. One of the first signs ...

Puberty is a time of sexual growth and development. It's a time when your body starts to change and you begin to look more like a grown-up. Boys start to look like young men. Girls start to look more ...