Puberty is when your body grows from child to adult. Many different things happen during this time, both on the inside and outside of your body.

In the Inside section, find out about what causes changes during puberty (hormones) and where they come from (gonads).
In the Outside section, find out what happens to your body and how it grows, and about the many things that change during puberty and what changes them.
In the Your Puberty (by condition) section, you can read an overview of what puberty may look like based on information about each variation/ common differences of sex development, like androgen insensitivity syndrome, gonadal dysgenesis, 5 alpha reductase deficiency, congenital adrenal hyperplasia, cloacal or bladder extrophy, unspecified DSD, MRKH, and others too.
Each person goes through puberty in a unique way. No puberty is exactly alike. We want to help you understand the changes in store for you so know more about what you might expect to happen with your own body.