Answer the following question given this paragraph: 

Puberty is the stage of life when a child becomes sexually mature. Puberty begins when the pituitary gland tells the testes to secrete testosterone in boys, and in girls the pituitary gland signals the ovaries to secrete estrogen. Changes that occur during puberty are discussed in the Male Reproductive Development and Female Reproductive Development concepts.


Q: What is the name of the stage of life when a child becomes sexually mature?

 Choices:

- pre-adolescence

- adulthood

- reproductive stage

- puberty

A:
puberty
