This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical & Surgical Illness Complication Pregnancy, Subject name: Gynaecology & Obstetrics
Least rate of HIV transmission is seen in: 
Select and explain. 
A. Forceps delivery, B. ARM, C. Vacuum delivery, D. Cesarean section
D: Cesarean section
Answer: D: Cesarean section 
Explanation: Ans. is d, i.e. Cesarean sectionVertical HIV transmission was shown to be reduced by about half when cesarean was compared with vaginal delivery. Ref. Williams 24/e p1282