title: The effects of ovariectomy on pregnancy maintenance in the bitch.
mesh_terms: D000034:Abortion, Veterinary / Q000209:etiology; D000818:Animals; D003338:Corpus Luteum; D004283:Dog Diseases / Q000209:etiology; D004285:Dogs; D005260:Female; D005865:Gestational Age; D008525:Medroxyprogesterone / Q000008:administration & dosage; D010053:Ovary / Q000502:physiology* / Q000601:surgery; D011247:Pregnancy; D011270:Pregnancy, Animal
chemical_list: D008525:Medroxyprogesterone