<prompt> Which of the following is responsibile for pubeal growth in femalesDecreased level of adrenal androgens at pubeyLow level of estrogen at pubeyPulsatile release of GnRh during sleepIncreased sensitivity of HPO axis to estrogen  <response>: 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 