Best-in-class analysis. Our CLIA-certified lab provides the only mail-in semen analysis to be peer-reviewed and clinically validated.²
Registered storage. Our lab is CLIA-certified and FDA-registered for cryopreservation.
Secure. Our facility and laboratory are access-controlled, and storage tanks are locked and continuously monitored.
Convenient. Provide your sample in the comfort of your home and mail it back. Your kit ships for free.
Why store your sperm?
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A doctor recommended it for you
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To help ensure that your sperm are available for your future
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You're not planning on having kids for years
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You're planning on getting a vasectomy and want to store sperm in case you and your partner decide to attempt fertility treatment in the future
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You're in a high risk environment (you're in the military or exposed to chemicals that impact fertility)
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You're undergoing a medical procedure or treatment that will reduce your fertility (chemotherapy, radiation therapy, or gender affirming therapy)
Created with the highest standards.
Not every mail-in semen analysis and cryopreservation company is the same. We've done our homework to bring you flexible, affordable testing and storage options.
Getting started is easy.
Assess and preserve your fertility from home.
Our process helps keep your sample safe in transit.
With the Fellow Semen Analysis, you can produce a sample at home and mail it back (shipping is included, and the label is right on the box). We'll analyze your sample in our CLIA-certified lab.
Our Semen Analysis kit includes a preservation solution designed to stabilize your sample and a gel pack that helps maintain a moderate temperature during transit. Overnight shipping is included so your sample gets to us as quickly as possible.
Get an in-depth analysis of the sperm you're storing.
We'll email you a link to a secure webpage with your semen analysis results. Our report offers helpful insights into how your stored samples can be used by fertility clinics to enable you and your partner to become parents. You can bring this report to your doctor to discuss further.¹
See a sample report
Volume
Milliliters (mL) of your entire sample
Volume refers to the amount of semen in your sample (measured in mL). Volume can fluctuate quite a bit depending on when you last ejaculated.
Concentration
How many million sperm per mL
Sperm concentration is the number of sperm per mL in a semen sample.
Count
How many sperm are in your sample
Sperm count is the total number of sperm in the entire sample. To determine the sperm count, sperm concentration is multiplied by the total volume of the sample.
Motility
How your sperm are swimming
Sperm motility refers to the percentage of sperm that are swimming in a sample. This is important for fertility because sperm need to swim to reach and fertilize an egg.
Total Motile Count
How many sperm in your sample are swimming
This is regarded as the most important factor for male fertility- it is the result of multiplying sample volume, concentration, and motility.
Morphology
How your sperm are shaped
Sperm morphology refers to the shape of your sperm. In typical samples, only 4%-20% of sperm cells are normally shaped. Lower-morphology sperm can still result in a pregnancy. Because of our analysis methods, we may not be able to return morphology results for samples with low sperm counts or low motility.
Regulations
We operate a CLIA-certified lab and have an FDA tissue banking license for the storage of seminal fluid for use with sexually intimate partners.
Convenience
With Fellow's mail-in semen analysis and cryopreservation solution you have the convenience of producing your sample from the comfort of home, and then we'll send it to your preferred clinic when the time is right.
Confidence & Control
Our lab is locked 24/7 to ensure your sample is safe. Your sample can only be removed with your approval and fertility results are only shared with you and your doctor.
Fellow Semen Analysis + Cryopreservation Customer Reviews
3,000+ clinics trust Fellow.
FAQs
Have questions? We've got answers.
About Fellow cryopresevation
About Fellow Semen Analysis
Producing your sample
Have a different question? See all our FAQs or contact support@meetfellow.com.
Assisted reproductive care is evolving and can be medically complex. We recommend that you consult with a physician prior to utilizing our cryobank to ensure our services will meet your future needs.
Samplaski et al. Development and validation of a novel mail-in semen analysis system and the correlation between one hour and delayed semen analysis testing; Fertil Steril. 2021;115(4):922-929
