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: Gynaecology & Obstetrics
[{'content': 'Which of the following is responsible for pubeal growth in females? \nSelect and explain. \nA. Decreased level of adrenal androgens at pubey, B. High level of estrogen at pubey, C. Pulsatile release of GnRH during sleep, D. Increased sensitivity of HPO axis to estrogen', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. c. Pulsatile release of GnRH during sleep', 'role': 'assistant'}]