Human chorionic gonadotropin (HCG) is a glycoprotein hormone produced by the extraembryonic tissue of the early human embryo. After fertilization, the human zygote undergoes cleavage followed by the formation of a blastocyst. The blastocyst is a hollow...

One of the HORMONES released during PREGNANCY; see ENDOCRINE...

Human chorionic gonadotropin (hCG) is a peptide hormone produced in pregnancy that is made by the embryo soon after conception and later by the syncytiotrophoblast (part of the placenta). Its role is to prevent the disintegration of the corpus luteum of...

Two more people linked to a nationwide investigation into the illegal sale of steroids were arraigned Tuesday on drug-related charges as published reports implicated more athletes, including former star relief pitcher John Rocker.Steven and Karen Lampert of Anti-Aging Centers in Nanuet pleaded not guilty in...

Baltimore Orioles outfielder Jay Gibbons received performance-enhancing steroids and human growth hormone after both substances were banned by baseball, SI.com reported Sunday.Gibbons is the latest athlete to be linked to the Florida pharmacy under investigation for illegally distributing prescription medications.Major League Baseball asked Friday to...

Former major league relief pitcher John Rocker told ESPN Radio on Wednesday he never bought human growth hormone with a prescription.On Tuesday, SI.com reported Rocker showed up on a client list of Applied Pharmacy, a Mobile, Ala., company raided in connection with a nationwide investigation...

Two more people linked to a nationwide investigation into the illegal sale of steroids were arraigned Tuesday on drug-related charges as published reports implicated more athletes, including former star relief pitcher John Rocker.SI.com reported that Rocker, 1996 Olympic wrestling gold-medalist Kurt Angle, major leaguer David...