Get clinical fertility results without leaving home.

We get it—fertility is complicated, to say the least. That’s why we partnered with leading physicians to develop a test that breaks it down for you. We speak sperm, and we can translate for you.

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Test your fertility from home.

Fellow is the first CLIA-approved at-home fertility test that gives you comprehensive information about your sperm.

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Sperm 101

Fewer beers = more sperm. It's sad, but true.

We're here to help get your sperm in tip-top shape.

We respect a late-night vice or two, but suggest keeping things in moderation for your sperm's sake. From diet to exercise, we'll pinpoint ways to help you improve your fertility and overall health.

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Sperm 101

Bad news: 1 in 11 men face infertility. Good news: you can do something about it.

Start with a cup.
Privacy assured.

Send in your sample, and we’ll get to work on your analysis in our secure biolab. (And sperm always ships free)

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Our doctors have
seen it all.

Fellow was founded and developed alongside leading men’s health doctors and experts from UCSF, Stanford, and USC.


We know, we know—there's a lot of new lingo. Whether you've never thought much about your swimmers before or you've gone down all of the internet rabbit holes, your Fellow results will be easy to understand. You'll get a breakdown of all of the most important sperm health metrics, as defined by the World Health Organization and men's reproductive health experts. This includes Total Motile Count (the best indicator of overall fertility), ejaculate volume, sperm count, motility, and morphology.