GnRH, a hypothalamic hormone, needed in reproduction, acts on
Option 1 : Posterior pituitary gland and stimulates secretion of oxytocin and FSH.
Option 2 : Posterior pituitary gland and stimulates secretion of LH and relaxin.
Option 3 : Anterior pituitary gland and stimulates secretion of LH and Oxytocin.
Option 4 : Anterior pituitary gland and stimulates secretion of LH and FSH.
