fsh

/ɛf ɛs eɪtʃ/
noun
  1. A hormone produced by the pituitary gland that helps control the reproductive system; in females it stimulates egg growth, and in males it helps produce sperm.
    • High FSH can be a sign that a woman is entering menopause.
    • Doctors measured her FSH levels to check her ovarian function.
    • The fertility clinic tested his FSH to evaluate sperm production.