Which hormone is essential for the maintenance of the endometrium?

Which hormones regulate the human menstrual cycle?

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

The withdrawal of which hormone causes immediate menstruation?

In a human female,how many eggs are produced by one ovary in a year?

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.