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
Venous drainage of upper pa of uterus and placenta is through : 
Select and explain. 
A. Ovarian vein, B. Uterine vein, C. Internal iliac vein, D. None
A: Ovarian vein
Answer: A: Ovarian vein 
Explanation: Ovarian vein