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
Ovulation can be detected by
Menstrual cycle is controlled by
Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?
$A$ : Corpus luteum begins to atrophy after a short life of $10 \;to \;14$ days, if fertilisation does not occur.
$R$ : Luteolysis may be due to withdrawal of $LH$ support
Which of the following is false for progesterone ?