Which one of the following is the correct matching of the events occurring during menstrual cycle?
Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle
Secretory phase : Development of increased secretion corpus luteum and of progesterone
Menstruation : Breakdown of myometrium and ovum not fertilised
Ovulation : $LH$ and $FSH$ attain peak level and sharp fall in the secretion of progesterone
About which day in a normal human menstrual cycle does rapid secretion of $LH$ (popularly called $LH$ surge) normally occurs?
Which of the following events is not associated with ovulation in human female?
Changes in $GnRH$ pulse frequency in femail is controlled by circulating levels of
In girl, the first menstruation begins at puberty and is called .....
During menstruation the level of progesterone in blood is