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
[{'content': 'Which one of the following is the most common problem associated with the use of condom: \nSelect and explain. \nA. Increased monilial infection of vagina, B. Premature ejaculation, C. Contact dermatitis, D. Retention of urine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Directions for use of condom\n\nThe condom should be put on by unrolling it over the erect penis after pulling back the foreskin, before there is any contact between the male and female organs. An airfree space should be left by squeezing the tip and holding it up, till it is unrolled fully for better collection of semen.\nIt should be used only once.\nIt should not be inflated for testing.\nVaseline oils, skin lotions, cold creams, should not be used as they increase the chance of rupture. If lubrication is needed, glycerine, K-Y jelly or spermicidal jelly can be used.\nSoon after discharge, the male should withdraw the penis holding the condom firmly against his body\nTo increase the effectiveness, a dose of spermicidal jelly or foam tablet may be used at the same time. In case of breakage, slippage, or defective use, women should report or use emergency contraceptive within 72 hours and a spermicidal agent should be quicldy inserted into the vagina.\n\nAdvantages of condom\n\nCondoms gives very good protection against STDs. These includes syphilis gonorrhea, trichomoniasis, moniliasis, nongonococcal urethritis, and infection with Chlamydia and Herpes virus.\nThey are the only contraceptives to protect against HIV and against sexually transmitted hepatitis B Virus.\nCondoms reduce the chances of developing cervical dysplasia and cancer cervix (by preventing HPV infection)\n\nDisadvantages\n\nIt can lead to contact dermatitis in female partners.\nFailure rate 12%', 'role': 'assistant'}]