Corpus luteum secretes estrogen and progesterone during luetal phase of menstrual cycle in human female and osterous cycle of other mammals. Luteinizing Hormone (LH) is secreted by adenohypophysis (anterior lobe of pituitary gland). It stimulates the growth and $1$ unction of the interstitial cells of testes in men and stimulatels the last stages of oogenesis, ovulation, development of corpus luteum and secretion of progesterone by corpus luteum in woman.