Sperm Morphology: Understanding Shape & Fertility

Is 2% morphology bad? Is 4% okay? Understand your sperm morphology results and what they actually mean for your fertility.

Don't Panic About Morphology

Morphology is the least predictive fertility parameter. Even men with 0% normal forms can conceive. Focus on the full picture — count and motility matter more.

Morphology Standards

WHO 2021 Standard

≥4%

Normal forms needed

Kruger Strict Criteria

≥4%

Most labs use this method

Many Clinics Accept

≥1%

Functional threshold for conception