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 pubertal events in girls is not estrogen dependant: \nSelect and explain. \nA. Menstruation, B. Vaginal cornification, C. Height spurt, D. Hair growth', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In girls the sequence of development of puberty is (Mnemonic: GTPH in males).\nG = Growth spurt\nT = Breast development (Thelarche)\nP = Pubic hair development (Pubarche)\nH = Height increases; peak growth velocity\xa0attained\nin males = Menstruation starts (Menarche)\n(Axillary hair develop after menstruation starts)\n►The main hormone responsible for secondary sexual characteristics in females is estrogen\n►Estrogen leads to\n• Breast development\n• Growth spurt, i.e. height attained\n• Production of cervical mucus\n• Cornification of vaginal cells\n• Menstruation (menstruation occurs due to withdrawal of progesterone in an oestrogen primed uterus)\n►Estrogen leads to\n►As far as hair growth is concerned – in females also the hormone responsible is Androgens(produced by adrenals and ovary)', 'role': 'assistant'}]