This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Drugs Supplied by NACO for prevention of mother to child transmission: \nSelect and explain. \nA. Nevirapine, B. Zidovudine, C. Nevirapine + Zidovudine, D. Nevirapine + Zidovudine + 3tc', 'role': 'user'}, {'content': 'Answer: A \nExplanation: NACO recommendations are for poor settings.Being inexpensive,these have immense potential in developing countries.it is also useful for those who present in labour. NACO recommendations: Nevirapine single dose of 200mg at onset of labour Nevirapine single dose of 2mg/kg to neonate within 3 days of delivery TEXT BOOK OF OBSTETRICS,Sheila Balakrishnan,2nd edition,page no.305', 'role': 'assistant'}]