This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
Combined oral pills protect the woman against all except 
Select and explain. 
A. Menorrhagia, B. Benign breast disease, C. Pelvic inflammatory disease, D. Venous thromboembolism
D: Venous thromboembolism
Answer: D: Venous thromboembolism 
Explanation: OC pills are found to protect against: Benign breast disorder Ovarian cyst PID Ectopic pregnancy Ovarian cancer Side effect of pills is Venous thrombosis with or without pulmonary embolus. Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 502