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Age & male fertility

How testosterone declines with age

Testosterone declines gradually with age, starting at around 40 years old and at a rate of approximately 1% to 2% per year.

Revised on

July 16, 2026

Legacy for

Optimizing my health LGBTQ+Gender-affirming transition (GAHT)Vasectomy Cancer treatment Testosterone replacement therapy (TRT)The military High-risk occupation

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At-home sperm testing and freezing Forever freezing bundle Male Fertility Supplement

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Call us +1 617-514-0901

Mon – Fri : 9 am – 5 pm EST

Legacy for

Optimizing my health LGBTQ+Gender-affirming transition (GAHT)Vasectomy Cancer treatment Testosterone replacement therapy (TRT)The military High-risk occupation

Solutions

At-home sperm testing and freezing Forever freezing bundle Male Fertility Supplement

Learn

Clinician resources See how it works Meet Legacy Read resources

Get support

Explore FAQs Ways to save Check insurance Careers Contact

Call us +1 617-514-0901

Mon – Fri : 9 am – 8 pm EST

Legacy provides clinical-quality semen analysis and cryopreservation services through CLIA-certified, CLEP-approved laboratories. A semen analysis is an important step toward understanding your reproductive health and fertility potential. Legacy facilitates access to qualified medical providers to ensure continuity of your care. Sperm cryopreservation can help preserve your ability to pursue assisted reproductive techniques in the future; however, storage does not guarantee future reproductive success. Legacy’s services are currently only available to clients within the United States.

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