Question: what are alpha and beta hcg?
Answer: Chorionic Gonadotropin alpha/beta (HCG): Products HCG is a heterodimer consisting of an alpha chain and a beta chain. The alpha chain is common to several other hormones, including lutenizing hormone (LH), follicle stimulating hormone (FSH), and thyroid stimulating hormone (TSH), while the beta chain is unique to HCG.