This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins, Subject name: Social & Preventive Medicine
[{'content': 'The recommended oral dose of vitamin A in pregnant females is: \nSelect and explain. \nA. 50,000 U, B. 1,00,000 U, C. 2,00,000 U, D. 3,00,000 U', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. c. 2,00,000 U style="font-size: 1.04761904761905em; font-family: Times New Roman, Times, serif; margin: 0 0 0 8px; text-indent: 0">\'There was a previous recommendation by WHO on giving 2 lacs IU of Vitamin A to pregnant women immediately after delivery, which was withdrawn in 2011.\'', 'role': 'assistant'}]