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: Social & Preventive Medicine
To prevent veical transmission of HIV in a child of pregnant mother, used is: 
Select and explain. 
A. Zidovudine for mother (36 weeks) and child (6 weeks), B. Zidovudine for 6 months to mother and 6 weeks to child, C. Zidovudine for 6 Weeks, D. Avoid zidovidine
A: Zidovudine for mother (36 weeks) and child (6 weeks)
Answer: A: Zidovudine for mother (36 weeks) and child (6 weeks) 
Explanation: Zidovudine for mother (36 weeks) and child (6 weeks)