title: Peripheral progesterone levels in pregnant and non-pregnant heifers following use of HCG.
mesh_terms: D000818:Animals; D002417:Cattle / Q000097:blood*; D006063:Chorionic Gonadotropin / Q000494:pharmacology*; D004343:Drug Implants; D004958:Estradiol / Q000494:pharmacology; D004973:Estrus Synchronization / Q000187:drug effects; D005260:Female; D005298:Fertility / Q000187:drug effects*; D009652:Norpregnenes / Q000008:administration & dosage; D011247:Pregnancy; D011282:Pregnenediones / Q000008:administration & dosage; D011374:Progesterone / Q000097:blood*; D045167:Progesterone Congeners / Q000008:administration & dosage
chemical_list: D006063:Chorionic Gonadotropin; D004343:Drug Implants; D009652:Norpregnenes; D011282:Pregnenediones; D045167:Progesterone Congeners; D011374:Progesterone; D004958:Estradiol