<prompt> Schwangershaft protein is the other name ofHCGPapp-1Pregnancy specific betal 1 glycoproteinActivin  <response>: Schwangershaft Protein:It is the other name for pregnancy specific B1 glycoprotein.Produced by trophoblast.Can be detected 18 days after ovulation.Its concentration rises steadily and reaches 200 mgml at term.Role-measure of placental function for fertility control. 