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
Recurrence of gestational trophoblastic tumor can be associated with all except: 
Select and explain. 
A. Enlarged uterus, B. Persistent lutein cysts in ovaries, C. Plateau of hCG, D. Sub urethral nodule
C: Plateau of hCG
Answer: C: Plateau of hCG 
Explanation: None