The scale defines physical measurements of development based on external primary and secondary sex characteristics, such as the size of the breasts, genitalia, and development of pubic hair, and was first identified by James Tanner, a British pediatrician and thus bears his name.
The scale defines physical measurements of development. This is such as the size of the breasts, genitalia, and development of pubic hair. This development is based on external primary and secondary sex characteristics. The scale was first identified by James Tanner. The scale thus bears his name. James Tanner is a British pediatrician.