The first menstruation 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.

What is the $CESSATION$ of the menstrual cycle called?

The secretory phase in the human menstrual cycle is also called

From the following tables,select the option that correctly characterizes various phases of the menstrual cycle.