YO Home Sperm Test offers a private, doctor-recommended way to check sperm quality from the comfort of home—no lab visit required. FDA-cleared and over 97% accurate, it delivers a Motile Sperm Count, YO Score, and live video of sperm movement, all through your smartphone.
- Discreet and convenient testing option
- Easy to use with step by step instructions
- Works with most iPhones and Android devices for fast, easy results

How YO Works

Kit Includes:
- YO Wi-Fi Device (for up to 50 tests)
- 3 Collection Cups
- 3 YO Slides
- 3 Pipettes
- 3 Liquefaction Vials
- Instructions
Simple Steps to Fertility Insights
Step 1:
Connect YO Device
Step 2:
Mix the Powder
Step 3:
Collect Sample Into Pipette
Step 4:
Insert Sample Into Slide
Step 5:
Insert Slide into Device
Step 6:
View App Results

Trusted by Labs, Loved by Families
Our commitment to excellence has garnered the trust of esteemed organizations such as US Fertility, Kaiser Permanente, LabCorp, the US Military, and numerous others. Their reliance on MES speaks volumes about the accuracy and reliability of our products, the quality of our reported results, and our dedication to high-quality client support.
What YO Reports

Concentration
YO reports the number of sperm cells in your semen sample (per mL)

Motility
Motility is the percentage of your sperm cells that are alive and moving (%)

Progressive Motility
Progressive Motility is the percentage of sperm cells that make forward progress (%)

MSC/PMSC
Motile and Progressively Motile sperm represented as a total (per mL)

YO is Future Proof
The World Health Organization (WHO) publishes comprehensive guidelines for male fertility testing and treatment. Medical Electronic Systems (MES) and YO Home Sperm Test adhere to the latest WHO standards, as outlined in the current 6th Edition Manual.
"My husband and I spent over $1,000 at a fertility clinic but never got to see results like this. At the clinic, his results were just numbers on paper, but with this machine, we could actually see what’s causing our infertility. Highly recommend!"

"Make sure to read the instructions thoroughly! You’ll need a fully charged phone to use this device, as it connects through a private Wi-Fi via the app (not through a cable). The results are fast and accurate, and the live sample view is as described. Having 2 tests included and the option to buy refills is a great bonus!"

"Definitely an easy way to obtain results. Just follow the instructions and you will be fine. We had no issues with this test and would use it again. Arrived on time and very easy to use with your phone and obtain the app."

"I would highly recommend this item for anyone that need a piece of mind for who is worried. This is a start to the process but would see a professional after getting result no matter the result."

"Amazing!! If you are not sure if you should try it, you need to try this! its very accurate. if you are having issue conceiving and are worried it might be sperm related you need to try this."

"Works fine and give you a piece of mind if you have any doubts. I liked the fact that I could access to the videos at anytime."

Frequently Asked Questions
The YO Home Sperm Test is over 97% accurate, offering reliable results for motile sperm count and sperm quality. FDA-cleared and doctor-recommended, it provides lab-grade precision from the comfort of your home.
Unlike other tests, the YO Home Sperm Test measures motile sperm count, provides a YO Score to assess sperm quality, and even records a live video of your sample. This comprehensive analysis is performed privately at home without the need for lab visits or mailing in samples.
Yes! The kit includes everything you need—testing slides, pipettes, liquefaction powder, and a WiFi-enabled testing device—with clear, step-by-step instructions. Designed for convenience, it works seamlessly with most iPhones and Android devices, ensuring a hassle-free experience.