This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
[{'content': 'How much ethinyl estriol does the new low dose oral contraceptive pill contain (in micrograms) \nSelect and explain. \nA. 20, B. 25, C. 30, D. 35', 'role': 'user'}, {'content': "Answer: A \nExplanation: Composition of 'New low dose OCP' : (Brand name : Femilon/Elogen) Ethinyl estradiol: 0.02mg (20 mcg) Desogestrel: 0.15mg(150 mcg) Composition of Combined OCP: MALA-N Ethinyl estradiol: 0.03mg (30mcg) Norgestrel : 0.15mg (150mcg) Ref: Internet, Organon-India website", 'role': 'assistant'}]