FSH (follicle-stimulating hormone) is produced by the pituitary gland and plays a key role in reproductive function. In women, it stimulates egg growth; in men, it helps control sperm production.
Category: Hormones
Also known as: fsh, follicle stimulating hormone, follicle-stimulating hormone, follitropin
Reference range: 1.5–12.4 mIU/mL (Source: ABIM)
Standard unit: mIU/mL
High values may indicate
High FSH levels may indicate primary ovarian insufficiency or menopause in women, testicular failure in men, Turner syndrome, Klinefelter syndrome, or pituitary tumors.
Low values may indicate
Low FSH levels may indicate pituitary gland disorders, hypothalamic dysfunction, polycystic ovary syndrome (PCOS), severe stress, or use of hormonal contraceptives.