Production of follicle-stimulating hormones (FSH) and Luteinizing Hormones (LH) from the pituitary gland of female is controlled by:

ovary

stimulated follicles

uterus

hypothalamus

The hypothalamus begins the process of ovulation by releasing GnRH in a pulsatile fashion.

This pulsatile release causes the anterior pituitary to release LH and FSH, which then act on the ovarian follicle.