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': 'HIV positive primi near term, advice given is: \nSelect and explain. \nA. Treatment should be stalled before labour, B. Avoid mixing of blood intrapaum, C. Vaginal delivery preferred, D. Cesarean section would be decrease transmission of HIV baby', 'role': 'user'}, {'content': "Answer: A \nExplanation: Zidovudine IV infusion staing at onset of labour or 4 hours before CS section.Loading dose of 2mg/kg/hr,maintainance dose of 1mg/kg/hr until cord clamping is done. D.C.DUTTA'S TEXTBOOK OF GYNECOLOGY,Pg no:302,7th edition", 'role': 'assistant'}]