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: Pediatrics
[{'content': 'Delayed pubey in female? \nSelect and explain. \nA. No breast budding in 10 years, B. Menarche > 16 year, C. menarche > 1 year of brean budding, D. FSH <20 in 16 year', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Menarche Delayed Pubey More common in boy than girl Most common cause in constitutional delay Girls-Delayed pubey is defined as Lack of secondary sexual character by age of 17 years Absence of menarche by age of 16 year 5 year after pubeal onset. Boys-Lack of pubeal changes by the age of 14 years.", 'role': 'assistant'}]