This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: The Ovarian Cycle, Subject name: Gynaecology & Obstetrics
[{'content': 'Provided that one secondary oocyte is produced in each menstrual cycle. How many secondary oocytes are on an average produced during the reproductive life of a human female? \nSelect and explain. \nA. 4,20,000, B. 42,000, C. 4200, D. 420', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ANSWER: (D) 420REF: This is a question of simple mathematical calculationAverage reproductive life is 35 years from puberty to menopause << There are 12 menstrual cycles every yearOne secondary oocyte is produced in each cycleSo the total number of secondary oocytes produced in female will beSec Oocyte = 35 x 12 x 1= 420', 'role': 'assistant'}]