This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Natural Methods, Barrier Methods, IUDs, OCPs, Subject name: Social & Preventive Medicine
Natural membrane condom protects against: 
Select and explain. 
A. Conception, B. STIs, C. Both of the above, D. None of the above
A: Conception
Answer: A: Conception 
Explanation: - Natural membrane condoms are made up of cecum of lamb, and protect only against pregnancy/ conception. - It doesnot protect against STI, as viruses can easily pass through the pores.