This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Schwangershaft protein is the other name of 
Select and explain. 
A. HCG, B. Papp-1, C. Pregnancy specific betal 1 glycoprotein, D. Activin
C: Pregnancy specific betal 1 glycoprotein
Answer: C: Pregnancy specific betal 1 glycoprotein 
Explanation: 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 mg/ml at term.
Role-measure of placental function for fertility control.