Hormones
FSH stimulates follicle development in the ovaries and sperm production in the testes. A high early-cycle FSH suggests the ovaries are working harder to recruit follicles, which points to reduced reserve. Injectable FSH is also the mainstay of IVF stimulation.
Also known as: follicle stimulating hormone
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.