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
The most common site of puerperal infection is : 
Select and explain. 
A. Episiotomy wound, B. Placental site, C. Vaginal laceration, D. Cervical laceration
B: Placental site
Answer: B: Placental site 
Explanation: Placental site