Ovulation takes place in a month between

The reproductive cycle in female primates,such as monkeys,apes,and human beings,is called:

Match the Column-$A$ with Column-$B$:

Column-$A$	Column-$B$
$A$. Follicular phase	$i$. Release of secondary oocyte
$B$. Luteal phase	$ii$. Fully mature Graafian follicle
$C$. Menstrual phase	$iii$. Formation of corpus luteum
$D$. Ovulatory phase	$iv$. Breakdown of endometrium

The corpus luteum in pregnancy has a long life. However,if fertilization does not take place,it remains active only for $10-12$ days. Explain.

At which stage and on which day is the thickness of the uterine wall,the endometrium,the greatest?

In human females,which of the following statements is incorrect?