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 congenital infections is associated with minimal teratogenic risk to the fetus: 
Select and explain. 
A. HIV, B. Rubella, C. Varicella, D. CMV
A: HIV
Answer: A: HIV 
Explanation: HIV infection in pregnant women has no proven teratogenic effects on the fetus. While the other three are teratogenic infections. Ref: Dutta textbook of Obstetrics 6th edition, page 299