Skip to content

Sperm Non-Prognostic Factor Screening (Sperm Profile Analysis)

Published: August 9, 2026Updated: August 16, 2026

This test evaluates various factors in your semen sample that may influence fertility, though some results do not directly predict pregnancy success.

Quick summary

["Understanding your semen health can help guide reproductive planning, though pregnancy depends on multiple factors beyond lab results alone."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
10620-3
Short code
Sperm Nonprog NFr Smn
Synonyms
Sperm Nonprog NFr Smn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What This Test Measures

A semen analysis typically includes measurements of volume, concentration, motility, morphology, and sometimes additional factors like pH or white blood cell counts. The 'non-prognostic' portion focuses on components that don’t strongly correlate with pregnancy likelihood, such as specific protein markers or cellular characteristics that may indicate health but don’t predict fertility outcomes directly.

Why Some Results Are Called 'Non-Prognostic'

Some measured factors in semen are included for completeness—like certain protein levels or cellular counts—to assess overall semen quality. However, these may not strongly predict whether pregnancy will occur. For example, while abnormal sperm morphology might suggest subfertility, it doesn’t always mean pregnancy will fail.

How This Test Differs from Standard Fertility Assessments

Unlike standard fertility tests (such as hormone panels or ovulation tests), this test focuses solely on semen characteristics. It’s often used alongside other evaluations to provide a broader picture of reproductive health, but results alone don’t guarantee pregnancy success.

What to Expect Before the Test

You’ll need to provide a fresh semen sample (typically collected by masturbation) after abstaining from ejaculation for 2–5 days. Avoid alcohol, caffeine, or strenuous activity before testing. Your provider may give specific instructions based on your situation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Frequently asked questions

Does this test help predict pregnancy?
No, this test measures semen factors that may indicate health but don’t strongly predict pregnancy. For example, while low sperm motility might suggest fertility challenges, it doesn’t guarantee pregnancy will occur. Other factors (like partner’s ovulation, hormone levels, or lifestyle) also play a role.
What if my results are abnormal?
Abnormal results may signal potential fertility concerns, but they don’t always mean pregnancy is impossible. Follow-up with your provider to discuss next steps, such as additional testing or lifestyle changes. Some factors (like protein levels) may need further evaluation to understand their impact.
Can I use this test to track fertility over time?
Yes, this test can help monitor semen health trends, but pregnancy success depends on multiple factors. Regular follow-ups with your provider can help assess changes and adjust treatment plans if needed. Always discuss results with a healthcare professional.
  1. 1
  2. 2
  3. 3

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy