What occurs during the menstrual phase?

*On days 1-5 of the cycle, the Endometrium sloughs off, accompanied by 1-2 ounces [30-60 mL] of blood loss. *Ther Anterior Pituitary Gland begins to release follicle-stimulating hormone [FSH]; as the level of FSH increases, the egg matures within the graafian follicle [a pocket or envelope shaped structure where the ovaries prepare the ovum