Testosterone Сypionate: Relief you can feel, but what about fertility?
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Oct 17, 2025 · 14 min read
Testosterone cypionate can relieve true hypogonadism (diagnosed in men with consistent symptoms plus repeatedly low morning testosterone; AUA guidance uses a total testosterone cutoff around 300 ng/dL, while EAU guidance uses about 12 nmol/L, roughly 346 ng/dL), but it commonly suppresses LH and FSH and can sharply reduce or shut down sperm production. Learn how ...