Select the incorrect statement.
$LH$ and $FSH$ decrease gradually during the follicular phase.
$LH$ triggers secretion of androgens from the Leydig cells.
$FSH$ stimulates the sertoli cells which help in spermiogenesis.
$LH$ triggers ovulation in ovary.
How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?
Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remains active only for $10-12$ days. Explain.
Menstrual flow occurs due to lack of
Changes in $GnRH$ pulse frequency in femail is controlled by circulating levels of
Ripe ova are shed by ovaries into