Gonadotropin-releasing hormone (GnRH) also known as gonadoliberin, is a releasing hormone responsible for the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior pituitary. GnRH is produced in the arcuate nuclei of the hypothalamus. GnRH is released in pulses at intervals of about 90 to 120 minutes. The neurons that secrete gonadotropin-releasing hormone have connections to an area of the brain known as the limbic system, which is heavily involved in the control of emotions and sexual activity.