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: Unknown
Which of the following is not a complication of PID? 
Select and explain. 
A. Ectopic, B. Infertility, C. Pyometra, D. Endometritis
C: Pyometra
Answer: C: Pyometra 
Explanation: Ref. The Short Textbook of Obstetrics. Pg 120
 
Complications of PID

Infertility –tubal obstruction from low grade salpingitis
Ectopic pregnancy
Chronic pelvic pain
Recurrences
Abscess formation