What YO Reports

Lab-Quality Semen Analysis, At Home

YO delivers detailed, clinically relevant data on the same parameters fertility specialists rely on worldwide.

Each result follows WHO 6th Edition standards, ensuring accuracy, consistency, and actionable insights for your clinical team.

YO Parameters

Each of these metrics is automatically calculated and delivered through the YO App, along with a live sperm video for additional visual context.

Concentration

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

Sperm Motility

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

Progressive Motility

Progressive Motility is the percentage of sperm that move forward.

MSC/PMSC

Total count of moving and forward-moving sperm
(per mL).

Why These Results Matter for Clinics

Aligned with WHO 6th Edition standards, enabling confident clinical interpretation.

Goes beyond sperm count to provide a fuller understanding of male reproductive health.

Shareable results and videos empower patients and prompt follow-up consultations.

Encrypted PDF reports can be securely shared or stored for ongoing monitoring.

How It Works

See how YO helps clinics expand services and keeps patients engaged with accurate, WHO 6th Edition–aligned results.

Company

YO is developed by MES, a global leader with 25+ years in automated semen analysis and fertility diagnostics.

Partner With YO

Connect with our team to offer YO kits to offer YO kits at your clinic or learn about wholesale opportunities and support options.