What is HCG?
HCG Human Chorionic Gonadotropin is a hormone produced secreted by syncytiotrophoblast cells present in the placenta. Syncytiotrophoblast is the epithelial covering of the highly vascular embryonic placental villi. It invades the uterine wall, rupturing maternal capillaries and establishes an interface between maternal blood and embryonic extracellular fluid. It helps in the exchange of material between …