In the human female, menstruation can be deferred by the administration of
combination of $FSH$ and $LH$
combination of estrogen and progesterone
$FSH$ only
$LH$ only.
In the $28$ day human ovarian cycle, the ovulation takes place typically on
Corpus luteum in mammals is present in
Assertion : Corpus luteum degenerates in the absence of fertilization.
Reason : Progesterone level decreases.
Corpus luteum is the source of secretion of