FFP 617 | Is Sperm Quality A Vital Sign For Men?
Fertility Friday | Fertility Awareness Mastery for Women's Health Professionals
Fertility Friday Radio | Fertility Awareness for Pregnancy and Hormone-free birth control
4.8 • 869 Ratings
🗓️ 13 March 2026
⏱️ 22 minutes
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Summary
In this episode, Lisa explores a landmark Danish study — the largest of its kind — examining the relationship between sperm quality and life expectancy in nearly 80,000 men followed for up to 50 years. The headline finding: men with the highest total motile sperm counts lived an average of 2.7 years longer than men with the lowest counts, and this association held consistently across multiple semen parameters, including sperm concentration, semen volume, and total sperm count. Lisa walks through her five key takeaways from the research, including how pre-existing illness did not account for the association and why men with azoospermia fell into a distinct category of their own. The discussion raises a compelling question for practitioners: could semen parameters function as an early biological signal of underlying health — much like the menstrual cycle does in women? This episode offers an evidence-informed lens for thinking about male reproductive health beyond fertility outcomes alone.
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Transcript
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| 0:00.0 | You thought it would be easy. Teach them to chart their menstrual cycles. They said, help them learn to use the menstrual cycle as a vital sign, they said. And then you saw the charts. You saw things that you didn't even know were possible and you really don't know how to interpret them. Fortunately, I've created the perfect solution for you. I want to share with you our top |
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| 0:38.5 | Head over to fertility friday.com slash chart to snag your complimentary copy today. |
| 0:44.0 | That's fertility friday.com slash chart. |
| 0:46.9 | This is the fertility Friday podcast, episode number 617. |
| 0:57.6 | It In today's episode. In today's episode, we are diving into some really interesting research that links sperm quality to life expectancy in men. |
| 1:10.7 | It gives us some insight into a really interesting question. |
| 1:15.9 | Can sperm quality be an indication, a health indication in men, kind of like a vital |
| 1:23.8 | sign for them, in the same way that the menstrual cycle can be for women. |
| 1:28.5 | So while we won't be able to completely delve into that question in one episode, |
| 1:32.7 | I think you'll really enjoy today's episode. |
| 1:35.3 | I think you'll find this research really fascinating. |
| 1:37.9 | So without further ado, let's go ahead and jump right in. |
| 1:44.7 | The title of the study that we are done in today, basically semen, quality, and lifespan, |
| 1:52.2 | a study of 78,284 men followed for up to 50 years. So this study is a newer study. It's the biggest of its kind. |
| 2:06.8 | And so it's certainly something that we should be paying attention to. It's not every day that |
| 2:13.0 | you get a research study that's looking at such a large population size over that many years. |
| 2:21.1 | So very, very interesting. |
| 2:23.6 | So in 2025, Danish researchers published results from the largest semen quality and mortality follow-up study ever conducted. So like I said, |
| 2:36.8 | nearly 80,000 men, and they were followed for up to 50 years. So the headline finding of this |
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