Uterine endometrium,epithelial glands,and connective tissue are broken down in the menstrual phase. This is due to:

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.

In which of the following conditions is menstruation absent in females?

During the menstrual cycle,cyclical changes take place in:

Cessation of menstrual cycle in the human female is known as

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