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
Spontaneous delivery of placenta reduces which complication compared to manual extraction of placenta 
Select and explain. 
A. Deep - vein thrombosis, B. Post partum infection, C. Retention of placental products, D. Amniotic fluid embolism
B: Post partum infection
Answer: B: Post partum infection 
Explanation: Spontaneous placental delivery reduces risk of operative blood loss and infection.