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Gynaecology & Obstetrics General 5dd87060

Which of the following pubertal events in girls is not estrogen dependant:

A
Menstruation
B
Vaginal cornification
C
Height spurt
D
Hair growth
High-Yield Explanation
In girls the sequence of development of puberty is (Mnemonic: GTPH in males). G = Growth spurt T = Breast development (Thelarche) P = Pubic hair development (Pubarche) H = Height increases; peak growth velocity attained in males = Menstruation starts (Menarche) (Axillary hair develop after menstruation starts) ►The main hormone responsible for secondary sexual characteristics in females is estrogen ►Estrogen leads to • Breast development • Growth spurt, i.e. height attained • Production of cervical mucus • Cornification of vaginal cells • Menstruation (menstruation occurs due to withdrawal of progesterone in an oestrogen primed uterus) ►Estrogen leads to ►As far as hair growth is concerned – in females also the hormone responsible is Androgens(produced by adrenals and ovary)

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