Question 3
Which hormones bring about the changes of adolescence in females?
The right answer is the one marked above.
Oestrogen and progesterone. Both are secreted by the ovaries, and the changes typically begin between the ages of 10 and 14.
Testosterone is the male hormone, responsible for the changes that begin between 13 and 16. FSH matters greatly in the menstrual cycle later in this chapter, but it is not what drives the secondary sexual characteristics.