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
All of the following interventions are recommended to prevent mother to child transmission of HIV, except: 
Select and explain. 
A. Avoid breast feeding, B. Highly Active Antiretroviral Therapy (HAA), C. Vaginal delivery, D. Intrapaum Zidovudine
C: Vaginal delivery
Answer: C: Vaginal delivery 
Explanation: For HIV-infected mothers, a scheduled cesarean delivery at 38 weeks can reduce the risk of mother - to - child transmission of the virus. If, before her scheduled cesarean delivery, rupture of membranes or she goes into labor, a cesarean delivery may not reduce the risk of mother to-child transmission of HIV. Ref: Recommendations for Use of Antiretroviral Drugs in Pregnant HIV-1-Infected Women By Michael A. Stoto, Donna A. Almario, Institute of Medicine (U.S.). Committee on Perinatal Transmission of HIV, National Research Council (U.S.). Board on Children, Youth, and Families, Pages 358-360.