Hormone | Hcg

hCG acts as a master signaler during gestation, orchestrating several critical processes: Human Chorionic Gonadotropin (hCG): Purpose & Levels

: In the 1960s, testing moved toward immunological assays using antibodies. By 1978, the first home pregnancy tests became widely available in the U.S., allowing private and rapid confirmation of pregnancy. Core Biological Functions Hormone Hcg

: Early pregnancy tests were biological assays. In the 1920s and 30s, a woman's urine was injected into immature mice, rats, or rabbits; if the animal’s ovaries matured, it indicated a positive result. hCG acts as a master signaler during gestation,