Help Videos

Talk about your brand

Share information about your brand with your customers. Describe a product, make announcements, or welcome customers to your store.

Button label

Simple Steps to Fertility Insights

1

Connect YO Block

2

Plug Device into Outlet

3

Mix Powder

4

Collect Sample into Pipette

5

Insert Sample into Slide

6

Insert Slide into Device

Trusted by Labs, Loved by Families

  • 4,000+ Clinics Worldwide

    Backed by Experts - Our technology powers fertility labs around the world, bringing you lab-quality results in the comfort of your home.

  • 10,000,000+ Tests Conducted

    Proven and Reliable - Join millions who trust our cutting-edge solutions to provide clarity and confidence on their fertility journey.

  • 50+ Countries Strong

    Globally Trusted - From leading labs to at-home solutions, our advanced systems are relied on by families in over 50 countries.

The Global Leader in  Male Fertility  Testing Solution.

Welcome to Medical Electronic Systems, or MES for short, your trusted partner in the world of cutting-edge medical solutions. At MES, we are driven by a singular mission: to revolutionize the field of fertility and infertility testing with our automated semen analysis solutions.

Trusted by Industry Giants

Our commitment to excellence has garnered the trust of esteemed organizations such as Kaiser Permanente, the US Navy, Quest Diagnostics, Labcorp, Stanford Health, the U.S. Department of Veterans Affairs, Sutter Health, Ovation Fertility, NYC Health, and numerous others. Their reliance on MES speaks volumes about the quality and reliability of our products.

FAQs

How Accurate is the YO Home Sperm Test?

Incredibly accurate! The YO Home Sperm Test delivers results you can trust, with a proven 97% accuracy rate—giving you confidence every step of the way.

Can I Easily Share Results with My Doctor?

Absolutely! YO makes it simple to share your results with a PDF report that’s clear, organized, and includes a link to the live sperm video—perfect for meaningful discussions with your doctor.

What If We Want to Track Sperm Progress Over Time?

No problem! Each YO kit includes 3 tests for tracking progress, and you can easily purchase our refill kit with 3 additional tests to keep monitoring.