This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NPCBVI, NACP, Subject name: Social & Preventive Medicine
[{'content': 'According to CDC recommendations, HIV screening of pregnant women is:- \nSelect and explain. \nA. Opt-in testing, B. Opt-out testing, C. Compulsory, D. Symptomatic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Opt-out testing: means performing an HIV test after notifying the patient that the test is normally performed, unless patient may elect to decline or defer testing. OPT-in testing: testing is offered and the patient is required to actively give permission before it can occur. WHO and CDC recommends opt-out testing policies in health care settings. Opt-out testing has a higher testing rate than opt-in testing. It does not eliminate the need for informed consent.', 'role': 'assistant'}]