This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gestational Trophoblastic Disease, Subject name: Gynaecology & Obstetrics
Hydatidiform mole is principally a disease of: 
Select and explain. 
A. Amnion, B. Chorion, C. Uterus, D. Decidua
B: Chorion
Answer: B: Chorion 
Explanation: Ans. is b, i.e. ChorionRef. Dutta 7/e, p 190Now don't tell me you want me to explain this--H mole is a benign neoplasm of chorion with malignant potential