Post-Vasectomy Testing by Mail

Wondering if his vasectomy worked?
Don't guess. Test.

Vasectomies are safe and remarkably effective, but they aren't 100%. Testing semen for the presence of sperm is easy, and it's the only way to be sure the procedure worked.

Post-Vasectomy Testing by Mail

Wondering if his vasectomy worked?
Don't guess. Test.

Vasectomies are safe and remarkably effective, but they aren't 100%. Testing semen for the presence of sperm is easy, and it's the only way to be sure the procedure worked.

Post-Vasectomy Testing by Mail

Wondering if his vasectomy worked?
Don't guess. Test.

Vasectomies are safe and remarkably effective, but they aren't 100%. Testing semen for the presence of sperm is easy, and it's the only way to be sure the procedure worked.

Why test with Fellow?

Why test with Fellow?

In the past, semen analysis meant handing semen to a receptionist in a crowded waiting room, or producing a sample at a lab while staff and other patients are right outside the door.

With Fellow, your partner can produce a semen sample at home and mail it in.

In the past, semen analysis meant handing semen to a receptionist in a crowded waiting room, or producing a sample at a lab while staff and other patients are right outside the door.

With Fellow, your partner can produce a semen sample at home and mail it in.

Sperm can linger for months.

Sperm can linger for months.

Even with successful vasectomies, sperm can hang out for up to 16 weeks. Testing makes sure enough time has passed.

Even with successful vasectomies, sperm can hang out for up to 16 weeks. Testing makes sure enough time has passed.

Early vasectomy failure is more common.

Early vasectomy failure is more common.

~1 in 500 couples get pregnant within 6 months of a vasectomy.¹ This isn't usually because the procedure hasn't "worked" yet. It's because sperm are still present from before.

~1 in 500 couples get pregnant within 6 months of a vasectomy.¹ This isn't usually because the procedure hasn't "worked" yet. It's because sperm are still present from before.

Mail-in testing is convenient (and sort of fun).

Mail-in testing is convenient
(and much less awkward)

Mail-in testing is convenient
(and much less awkward)

Order a kit, and you'll have it in 2–3 business days. Have your partner produce a sample at home. Once a sample is in the mail, results usually arrive in 7–10 business days.

Order a kit, and you'll have it in 2–3 business days. Have your partner produce a sample at home. Once a sample is in the mail, results usually arrive in 7–10 business days.

Make sure his vasectomy worked.

Peace of mind never came so easily.

The Fellow Vasectomy Test looks for the presence of sperm in your sample. If no sperm are found, American Urological Association guidelines recommend that you can stop using other forms of contraception.

The Fellow Vasectomy Test kit and results shown on a phone

Convenient. Provide a sample at home, all shipping included.

Discreet. No appointments, no scheduling calls, no handing semen cups over to strangers.

Fast. Results within 7-10 business days.

$149

Shipping both ways is included.

Make sure his vasectomy worked.

Peace of mind never came so easily.

The Fellow Vasectomy Test looks for the presence of sperm in your sample. If no sperm are found, American Urological Association guidelines recommend that you can stop using other forms of contraception.

The Fellow Vasectomy Test kit and results shown on a phone

Convenient. Provide a sample at home, all shipping included.

Discreet. No appointments, no scheduling calls, no handing semen cups over to strangers.

Fast. Results within 7-10 business days.

$149

Shipping both ways is included.

Make sure his vasectomy worked.

Peace of mind never came so easily.

The Fellow Vasectomy Test looks for the presence of sperm in your sample. If no sperm are found, American Urological Association guidelines recommend that you can stop using other forms of contraception.

The Fellow Vasectomy Test kit and results shown on a phone

Convenient. Provide a sample at home, all shipping included.

Discreet. No appointments, no scheduling calls, no handing semen cups over to strangers.

Fast. Results within 7-10 business days.

$149

Shipping both ways is included.

Why talk to your partner about post-vasectomy semen analysis?

Only 30%–50% of patients actually test.²

You don't want to get pregnant...do you?

Your participation is key.

Fellow Vasectomy Test Customer Reviews

It was an easy process with simple instructions, you can't get it wrong. Very pleased with this service.

Vasectomy Test

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Even with this process and 0 sperm cells my wife STILL wants to be sure. I am HEATED lol

Vasectomy Test

|

Meet fellow provided all info in the box and exactly what to do. Simple, easy to read instructions were provided. Results came back in a timely manner, I think they're great.

Vasectomy Test

|

easy to use, super low hassle in terms of shipping, and everything in the kit is really well explained

Vasectomy Test

|

Lab set me up real nice like. Love the home test option so thanks for that dodging of an uncomfortable situation of an in lab sample. Yikes

Vasectomy Test

|

I like the fact that fellow reminds you when it's time to send in your test. It's super easy to use and follow.

Vasectomy Test

|

Fast, Easy, Effective at getting you to get off your butt and get it over with.

Vasectomy Test

|

Registered kit on day of procedure. After 12 weeks, received email to produce sample and send off. Fellow made everything simple and hassle free.

Vasectomy Test

|

The process was easy and when the first test results were positive they sent another test with instructions

Vasectomy Test

|

Thanks for a seamless testing experience! the Fellow support team was incredibly swift and helpful, and the discretion/turnaround on my sample was exactly as described. If you need tests done, look no further - Fellow has you covered

Vasectomy Test

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Very easy to use - Instructions were clear, able to provide a sample on my own time, easy and discrete mailing experience.

Vasectomy Test

|

The test was simple to use. The reminders to send the test were nice. Results were fast and clear.

Vasectomy Test

|

It was an easy process with simple instructions, you can't get it wrong. Very pleased with this service.

Vasectomy Test

|

Even with this process and 0 sperm cells my wife STILL wants to be sure. I am HEATED lol

Vasectomy Test

|

Meet fellow provided all info in the box and exactly what to do. Simple, easy to read instructions were provided. Results came back in a timely manner, I think they're great.

Vasectomy Test

|

easy to use, super low hassle in terms of shipping, and everything in the kit is really well explained

Vasectomy Test

|

Lab set me up real nice like. Love the home test option so thanks for that dodging of an uncomfortable situation of an in lab sample. Yikes

Vasectomy Test

|

It was an easy process with simple instructions, you can't get it wrong. Very pleased with this service.

Vasectomy Test

|

Even with this process and 0 sperm cells my wife STILL wants to be sure. I am HEATED lol

Vasectomy Test

|

Meet fellow provided all info in the box and exactly what to do. Simple, easy to read instructions were provided. Results came back in a timely manner, I think they're great.

Vasectomy Test

|

easy to use, super low hassle in terms of shipping, and everything in the kit is really well explained

Vasectomy Test

|

Lab set me up real nice like. Love the home test option so thanks for that dodging of an uncomfortable situation of an in lab sample. Yikes

Vasectomy Test

|

I like the fact that fellow reminds you when it's time to send in your test. It's super easy to use and follow.

Vasectomy Test

|

Fast, Easy, Effective at getting you to get off your butt and get it over with.

Vasectomy Test

|

Registered kit on day of procedure. After 12 weeks, received email to produce sample and send off. Fellow made everything simple and hassle free.

Vasectomy Test

|

The process was easy and when the first test results were positive they sent another test with instructions

Vasectomy Test

|

3,000+ clinics trust Fellow.

Developed by experts

Fellow's tests were created and validated with leaders in men’s reproductive health.

Optimized for patients & customers

Fellow tests are convenient, affordable, fast, and provide easy-to-understand results.

Clinical-grade quality

Our CLIA-certified tests for the presence of sperm—any sperm, living or dead.

How to test from home:

1. Wait 12 weeks and clear out the system.

1. Wait 12 weeks and clear out the system.

Our data shows that ejaculating at least 35 times during a 12 week period usually does the trick. That's about 3-4 times per week after recovery. During this time you and your partner should use other forms of birth control.

Our data shows that ejaculating at least 35 times during a 12 week period usually does the trick. That's about 3-4 times per week after recovery. During this time you and your partner should use other forms of birth control.

Plan ahead to provide a sample by reading the instructions carefully

2. Conveniently test at home.

2. Conveniently test at home.

With a Fellow Vasectomy Test your partner can produce a sample at home and mail it back (shipping is included, and the label is right on the box). We'll analyze the sample in our CLIA-certified lab to look for any sperm.

With a Fellow Vasectomy Test your partner can produce a sample at home and mail it back (shipping is included, and the label is right on the box). We'll analyze the sample in our CLIA-certified lab to look for any sperm.

The Fellow Vasectomy Test kit

3. Get clinically valid test results.³

3. Get clinically valid test results.³

We'll email your partner a link to secure, easy-to-understand results. If your partner's healthcare provider recommended this test, we can send them a copy of your results as well.

We'll email your partner a link to secure, easy-to-understand results. If your partner's healthcare provider recommended this test, we can send them a copy of your results as well.

Test results for the Fellow Vasectomy Test displayed on a mobile phone

4. Repeat if necessary.

4. Repeat if necessary.

If results indicate that there are still sperm in your partner's sample, you can test again. Some doctors advise to get tested a year after the procedure to ensure that your partner's vas deferens (which are cut during the vasectomy) did not repair themselves.

If results indicate that there are still sperm in your partner's sample, you can test again. Some doctors advise to get tested a year after the procedure to ensure that your partner's vas deferens (which are cut during the vasectomy) did not repair themselves.

Repeat the testing step if necessary

FAQs

Have questions? We've got answers.

About Fellow Semen Analysis

Why would I need a Vasectomy Test?
Why would I need a Vasectomy Test?
Why would I need a Vasectomy Test?
I want to check the success of my vasectomy. Is this test right for me?
I want to check the success of my vasectomy. Is this test right for me?
I want to check the success of my vasectomy. Is this test right for me?
How do I ship my Vasectomy Test kit back to Fellow?
How do I ship my Vasectomy Test kit back to Fellow?
How do I ship my Vasectomy Test kit back to Fellow?
What is your refund policy?
What is your refund policy?
What is your refund policy?
When should I produce my sample when using the Vasectomy Test kit?
When should I produce my sample when using the Vasectomy Test kit?
When should I produce my sample when using the Vasectomy Test kit?
How fast will I receive my Vasectomy Test results?
How fast will I receive my Vasectomy Test results?
How fast will I receive my Vasectomy Test results?
Why would I use Fellow's Vasectomy Test instead of a lab?
Why would I use Fellow's Vasectomy Test instead of a lab?
Why would I use Fellow's Vasectomy Test instead of a lab?
Does the Fellow Vasectomy Test kit have an expiration date?
Does the Fellow Vasectomy Test kit have an expiration date?
Does the Fellow Vasectomy Test kit have an expiration date?
My preservation solution vial is expired. What should I do?
My preservation solution vial is expired. What should I do?
My preservation solution vial is expired. What should I do?
Is the Fellow Vasectomy Test covered by insurance or FSA/HSA?
Is the Fellow Vasectomy Test covered by insurance or FSA/HSA?
Is the Fellow Vasectomy Test covered by insurance or FSA/HSA?
Is the Vasectomy Test the same test as the Fellow Semen Analysis?
Is the Vasectomy Test the same test as the Fellow Semen Analysis?
Is the Vasectomy Test the same test as the Fellow Semen Analysis?
I am trans or gender-nonconforming. What name is going to appear on my results?
I am trans or gender-nonconforming. What name is going to appear on my results?
I am trans or gender-nonconforming. What name is going to appear on my results?

Producing your sample

Due to religious or medical reasons, masturbation is not an option for me. Can I still use the Fellow Kit?
Due to religious or medical reasons, masturbation is not an option for me. Can I still use the Fellow Kit?
Due to religious or medical reasons, masturbation is not an option for me. Can I still use the Fellow Kit?
Can I use a lubricant to help create my sample?
Can I use a lubricant to help create my sample?
Can I use a lubricant to help create my sample?
When should I produce my sample?
When should I produce my sample?
When should I produce my sample?
I'm worried about the volume of my sample. How much do I need to create in order for my sample to be analyzed?
I'm worried about the volume of my sample. How much do I need to create in order for my sample to be analyzed?
I'm worried about the volume of my sample. How much do I need to create in order for my sample to be analyzed?
Can I test if I'm not feeling well?
Can I test if I'm not feeling well?
Can I test if I'm not feeling well?
Oops, I messed up while producing my sample. Can you send me a new kit?
Oops, I messed up while producing my sample. Can you send me a new kit?
Oops, I messed up while producing my sample. Can you send me a new kit?

Have a different question? See all our FAQs or contact support@meetfellow.com.

  1. Ha et al. A Contemporary Estimate of Vasectomy Failure in the United States: Analysis of US Claims Data. J Urol. 2025;213(5):638-647.

  2. Multiple publications report only 1 in 2 patients complete post-vasectomy semen analysis, including Bradshaw et al., Urology, 2019, Duplisea and Whelan, Journal of Urology, 2013 and Johnson (Siegert) et al., Andrology & Gynecology: Current Research, 2019.

  3. 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

Fellow Mail-in Vasectomy Test

$149

$149

Fellow Mail-in Vasectomy Test

$149