Which hormone level reaches peak during the luteal phase of the menstrual cycle?

Identify the phases of the menstrual cycle in the correct order.

Match the items given in Column $I$ with those in Column $II$ and select the correct option given below:

Column $I$	Column $II$
$(a)$ Proliferative Phase	$(i)$ Breakdown of endometrial lining
$(b)$ Secretory Phase	$(ii)$ Follicular phase
$(c)$ Menstruation	$(iii)$ Luteal Phase

The following graph shows the relative concentrations of the four hormones present in the blood plasma of a woman during her menstrual cycle. Identify the hormones.

Which layer of the uterine wall breaks down during the menstrual cycle?

The menstrual cycle is regulated by which of the following?