<prompt> HCG is produced byKidneyPlacentaPituitaryLiver  <response>: Chorionic gonadotropin human chorionic gonadotropin HCG hCG is a glycopeptide hormone that is produced by cells of the fetal placenta and maintains the function of the corpus luteum during the first few weeks of pregnancy.Ref: Ganong;s review of medical physiology;24th edition; page no:-414 