Pituitary inhibition of pregnancy.
D000818:Animals; D003338:Corpus Luteum; D004971:Estrus; D005260:Female; D006062:Gonadotropins / Q000097:blood; D007016:Hypophysectomy; D007774:Lactation; D008394:Marsupialia / Q000502:physiology*; D010060:Ovulation; D010902:Pituitary Gland / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal
D006062:Gonadotropins