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
According to CDC recommendations, HIV screening of pregnant women is - 
Select and explain. 
A. Opt in testing, B. Opt out testing, C. Compulsory, D. Symptomatic
B: Opt out testing
Answer: B: Opt out testing 
Explanation: Ans. is 'b' i.e., Opt out testing