What is the other name for the follicular phase in the menstrual cycle?

What is the typical duration of the menstrual cycle in human females (in $days$)?

Which cellular layer in humans is destroyed and regenerated during the menstrual cycle?

What is the other name for the luteal phase?

Given below are two statements with respect to the menstrual cycle.
$Statement-I$: The menstrual phase in the menstrual cycle occurs when an ovulated egg is not fertilized and is thus shed out along with the endometrium.
$Statement-II$: The menstrual phase is often referred to as the 'funeral of an unfertilized egg'.
Choose the most appropriate answer from the options given below.

Menstrual flow occurs due to lack of