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
Minimum criteria to diagnose PID include(s): 
Select and explain. 
A. Lower abdominal pain, B. Fever, C. Cervical motion tenderness, D. Leucocytosis
A: Lower abdominal pain
Answer: A: Lower abdominal pain 
Explanation: Minimum criteria

lower abdominal tenderness
adnexal tenderness
cervical motion tenderness