Beta HCG is secreted by: (A) Ovary, (B) Pituitary, (C) Corpus luteum, (D) Placenta
Answer is D. In molecular biology, human chorionic gonadotropin (hCG) is a hormone produced by the syncytiotrophoblast, a component of the feilized egg, after conception. Following implantation, the syncytiotrophoblast gives rise to the placenta.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-414