This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological Anatomy, Subject name: Gynaecology & Obstetrics
[{'content': 'The first sign of sexual maturation in a girl is - \nSelect and explain. \nA. Menarche, B. Pubarche, C. Enlargement of breast, D. Maturation of breast', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: C Telarche-enlargement of breast buds is the first sign', 'role': 'assistant'}]