Which of the following is responsibile for pubeal growth in females: (A) Decreased level of adrenal androgens at pubey, (B) Low level of estrogen at pubey, (C) Pulsatile release of GnRh during sleep, (D) Increased sensitivity of HPO axis to estrogen
Answer is C. The GnRH pulses from the hypothalamus results in pulsatile gonadotropin secretion GnRH > FSH,LH > Estradiol Gonadal estrogen is responsible for the development of uterus,vagina and breasts D.C.DUTTA&;S TEXTBOOK OF GYNAECOLOGY, Pg no:50, 6th edition