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
Which of the following will not decrease mother to child transmission of HIV? 
Select and explain. 
A. Avoid breastfeeding, B. Vaginal delivery, C. Zidovudine given to mother antenataly and to neonate after bih, D. Vitamin A supplementation given to mother
B: Vaginal delivery
Answer: B: Vaginal delivery 
Explanation: Answer- B (Vaginal delievery)Vaginal delivery increases risk of mother to childhood transmission of HIV.'HIV can be transmitted through breast milk, avoiding breast feeding decreases the mother to child transmission of HIV.'