What is the stage at which a person reproductive organs matures called?

The stage at which a person's reproductive organs mature is called puberty. It typically occurs between the ages of 10 and 14 in girls and 12 and 16 in boys, but there can be significant variation. During puberty, there are a number of physical and hormonal changes that occur, including:

Girls:

- Breast development

- Menstrual periods

- Increased growth in height

- Pubic hair growth

- Underarm hair growth

- Increased oil production and acne

- Changes in body shape

Boys:

- Increased testicular size

- Voice deepening

- Beard growth

- Pubic hair growth

- Underarm hair growth

- Increased muscle mass

- Changes in body shape

- Nocturnal emissions (`wet dreams`)