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
Which method of contraception is not used in patient with active syphilis? 
Select and explain. 
A. IUCD, B. Oral contraceptive pills, C. Barrier devices, D. Calendar method
A: IUCD
Answer: A: IUCD 
Explanation: Ans. is 'a' i.e.,IUCDSyphilis is a sexually transmitted disease.Use of IUCD is strictly contraindicated in patient with active genital tract infection thus use of IUCD is contraindicated in in patient with active syphilis