title: Maintenance of pregnancy in prepuberal gilts.
mesh_terms: D000367:Age Factors; D000818:Animals; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D004958:Estradiol / Q000494:pharmacology; D004967:Estrogens / Q000494:pharmacology*; D004970:Estrone / Q000494:pharmacology; D004971:Estrus; D005260:Female; D006062:Gonadotropins / Q000494:pharmacology*; D006064:Gonadotropins, Equine / Q000494:pharmacology; D007315:Insemination, Artificial / Q000662:veterinary; D008525:Medroxyprogesterone / Q000494:pharmacology; D008552:Melengestrol Acetate / Q000494:pharmacology; D010060:Ovulation / Q000187:drug effects; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000187:drug effects*; D011374:Progesterone / Q000494:pharmacology*; D013552:Swine / Q000502:physiology*
chemical_list: D006063:Chorionic Gonadotropin; D004967:Estrogens; D006062:Gonadotropins; D006064:Gonadotropins, Equine; D004970:Estrone; D011374:Progesterone; D004958:Estradiol; D008552:Melengestrol Acetate; D008525:Medroxyprogesterone