Changes in $GnRH$ pulse frequency in femail is controlled by circulating levels of
The menstrual cycle in normal adult woman is of
Arrange the events of menstrual cycle as they occur
$I.$ Secretion of $FSH$
$II.$ Growth of corpus luteum
$III.$ Growth of follicle and oogenesis
$IV.$Ovulation
$V.$ Sudden increase in level of $LH$
A temporaryendocrine gland in the human body is
During menstruation the level of progesterone in blood is