Female sex steroid changes during the reproductive cycle.
D000818:Animals; D002417:Cattle; D004967:Estrogens / Q000502:physiology*; D004971:Estrus / Q000502:physiology*; D005260:Female; D007986:Luteinizing Hormone / Q000502:physiology; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D011374:Progesterone / Q000502:physiology*; D012756:Sheep; D013552:Swine
D004967:Estrogens; D011374:Progesterone; D007986:Luteinizing Hormone