This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pelvic Inflammatory Disease, Subject name: Gynaecology & Obstetrics
PID can be due to: 
Select and explain. 
A. IUCD insertion, B. Oral contraceptive, C. Condom, D. Hypertension
A: IUCD insertion
Answer: A: IUCD insertion 
Explanation: Ans. (a) IUCD insertionRef William's Gyenecology ch 3* IUCD acts by causing local inflammation at endometrial site. It increases the risk of PID in female.* Oral contraceptives decreases the risk of PID.Pelvic Inflammatory Disease Risk FactorsDouchingSingle statusSubstance abuseMultiple sexual partnersLower socioeconomic statusRecent new sexual partner (s)Younger age (10 to 19 years)Other sexually transmitted infectionsSexual partner with urethritis or gonorrheaPrevious diagnosis of pelvic inflammatory diseaseNot using mechanical and/or chemical contraceptive barriersEndocervical testing positive for N. Gonorrhoeae or C.Trachomatis