Hormones
The pituitary responds to GnRH pulses from the hypothalamus by releasing FSH and LH, which in turn drive the ovaries or testes. Pituitary tumours, surgery, radiotherapy or severe stress and undernutrition can disrupt this axis.
Also known as: hypophysis
Related Canada guides
Sources
- Society of Obstetricians and Gynaecologists of Canada (SOGC) patient information
Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.