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Sperm Progressive Motility 2 Hours Post-Ejaculation (Percent of Sperm)

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

This test measures the percentage of sperm that are moving forward (progressively) about two hours after a semen sample is collected. It is one part of a semen analysis used to assess male fertility.

Quick summary

["Progressive motility two hours after collection helps show how well sperm can travel, which matters for reaching and fertilizing an egg."]

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

Key facts at a glance

LOINC
57444-2
Short code
Sperm Prog 2 p conc NFr Smn
Synonyms
Sperm Prog 2 p conc 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

The test looks at a semen sample and counts how many sperm are moving in a forward, purposeful direction rather than just twitching in place. The result is reported as a percentage of the sperm seen. The "2 hours" refers to the time after the sample was collected when the movement was checked.

Why Timing Matters

Sperm need to swim through the female reproductive tract to reach an egg. Checking motility shortly after collection, and again later, gives your care team a picture of how well the sperm maintain their movement over time. Progressive motility is generally considered the most important type of movement for fertility.

How the Sample Is Collected

A semen sample is usually produced at the clinic or laboratory after a recommended period of abstinence (often a few days, as directed by your provider). The sample is kept at body or room temperature and examined under a microscope at set time points. Follow your provider's instructions on abstinence and collection carefully, because these can affect results.

What the Results Mean

Results are reported as a percentage of progressively motile sperm. Your provider interprets this number alongside other semen analysis results, such as sperm count, total motility, and shape (morphology). A single result is not a diagnosis; values can vary between samples and with recent illness, heat exposure, or time since last ejaculation. Ask your provider to explain your specific numbers.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Progressive motility is a key part of semen analysis and helps evaluate male fertility. Reduced progressive motility can be seen in many conditions, including varicocele, infections, hormonal issues, and lifestyle or environmental exposures, but it can also occur without a clear cause. Results should always be interpreted by a clinician in the context of the full semen analysis, your history, and any repeat testing.

Frequently asked questions

Does a low progressive motility result mean I cannot father a child?
Not necessarily. Motility is only one part of the semen analysis, and many people with lower motility still conceive, sometimes with the help of fertility treatment. Your provider will look at all results together and may recommend repeat testing or further evaluation.
Why is motility checked at two hours after collection?
Checking at a set time point such as two hours after collection helps standardize the measurement and shows how well sperm maintain forward movement. Your laboratory follows specific timing guidelines so results can be compared reliably.
Can I do anything to improve my sperm motility?
Some lifestyle factors, such as avoiding smoking, limiting alcohol, maintaining a healthy weight, and reducing heat exposure to the testicles, may support sperm health. However, changes take time, and any concerns or treatment decisions should be discussed with your healthcare provider.
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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