During the menstrual cycle,when do both $LH$ and $FSH$ reach their peak levels?

Home use kits for determining a woman's fertile period depend on the detection of one hormone in the urine. This hormone is

The menstrual cycle occurs in:

In a $28$-day human ovarian cycle,ovulation occurs on:

What are the events that take place in the ovary and uterus during the follicular phase of the menstrual cycle?

Given below is a flow chart showing ovarian changes during the menstrual cycle. Fill in the spaces by providing the names of the hormones responsible for the events shown.
$\boxed{\text{Primary follicles}}$
$\downarrow \leftarrow \boxed{A}$
$\boxed{\text{Graafian follicle}}$
$\downarrow \leftarrow \boxed{B}$
$\boxed{\text{Ovum}}$
$\downarrow \leftarrow \boxed{C}$
$\boxed{\text{Corpus luteum}}$