This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of menstruation, Subject name: Gynaecology & Obstetrics
[{'content': 'Precocious menstruation denotes the occurence of menstruation before the age of \nSelect and explain. \nA. 8 years, B. 7 years, C. 10 years, D. 11 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Precocious menstruation denotes the occurence of menstruation before the age of 10 years. Precocious menstruation is one of the menstrual cycle irregularities. Precocious pubey in a girl is the appearance of any of the secondary sexual characteristics before the age of 8 years or the occurence of menarche before the age of 10 years. Precocious pubey in boys is the onset of secondary sexual characterstics before the age of nine years. Ref: Shaw&;s textbook of Gynaecology 17th edition Pgno: 122', 'role': 'assistant'}]