Which of the following hormone stimulates Secretion of gonadotrophins from anterior pituitary?
LH
FSH
ACTH
GnRH
Spermatogenesis begins at puberty when the GnRH hormones level rises and stimulates anterior pituitary to secrete two gonadotrophin hormones LH and FSH, thereby inducing spermatogenesis.
LH and FSH are the gonadotrophin hormones secreted by anterior pituitary stimulated by GnRH hormone.
Hence option D is correct.