This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tuberculosis of the Genital Tract, Subject name: Gynaecology & Obstetrics
[{'content': "A young female was worked up for examined for her * infertility by hysterosalpingography reveals 'Bead -- like' fallopian tube and clubbing of ampulla. Which of the following is the most likely cause? \nSelect and explain. \nA. Gonococcus, B. Mycoplasma, C. Chlamydia, D. Mycobacterium tuberculosis", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Mycobacterium tuberculosisRef.: Shaws 15th ed. /158-159; D. C Dutta 8th edj 158-159TB is also an important cause of infertility. Other salient features about TB are as follows:* Most common presentation of genital TB is infertility.* HSG is contraindicated in case of genital TB* Best time to do HSG is within 10 days of LMP.* Vaginal epithelium is resistant to TB.* MC mode of spread of genital TB is hematogenous.* TB salpingitis belong to stage V of PID.* Conception rate even after treatment of genital TB is quite low.', 'role': 'assistant'}]