The onset of puberty is triggered by an increase in
A)sensitivity of the gonads to pituitary gonadotropins.
B)sensitivity of the pituitary to GnRH.
C)GnRH secretion.
D)sensitivity of the hypothalamus to negative feedback by sex steroids.
E)sensitivity of the pituitary to negative feedback by sex steroids.

Question

Quizplus · Accepted Answer

The onset of puberty is primarily triggered by an increase in the secretion of Gonadotropin-releasing Hormone (GnRH) from the hypothalamus, which then stimulates the pituitary gland to release gonadotropins and subsequently initiates the processes of puberty.

The Onset of Puberty Is Triggered by an Increase in