A semen analysis report is often the first test done when a couple is evaluated for infertility — and also one of the most confusing to read. Between unfamiliar terms like “motility,” “morphology,” and “liquefaction time,” it’s easy to feel lost. Here’s a plain-language guide to what each value means.
Semen analysis evaluates the quantity and quality of sperm in a man’s ejaculate. It’s typically recommended:
The total amount of semen produced in one ejaculate. A normal volume is generally around 1.5 ml or more. Low volume can point to a blockage, incomplete collection, or a hormonal issue.
The number of sperm per millilitre of semen.
Concentration multiplied by volume — gives the total number of sperm in the entire sample, generally expected to be 39 million or more.
The percentage of sperm that are moving, and how well they move.
The percentage of sperm with a normal size and shape. Using strict criteria, even fertile men often have a relatively low percentage of “perfectly” normal-shaped sperm — a value of 4% or above by strict criteria is generally considered within the normal range.
Freshly ejaculated semen is initially thick and gel-like, then liquefies within about 15–30 minutes. Delayed liquefaction can sometimes affect sperm motility assessment.
Normal semen pH is slightly alkaline, generally between 7.2 and 8.0. Abnormal pH can point to infection or blockage.
A small number is normal; a raised count may indicate an underlying infection that needs treatment.
An abnormal semen analysis doesn’t automatically mean infertility — many men with mildly abnormal parameters still conceive naturally, and results can vary from sample to sample due to illness, stress, heat exposure, or the abstinence period before the test. That’s why doctors usually:
A single abnormal semen report is a starting point for further evaluation — not a final diagnosis.
Generally 15 million sperm per millilitre or more, with a total count of 39 million or more per ejaculate, based on standard reference values.
Not necessarily. Semen quality naturally varies, and doctors usually recommend a repeat test before drawing conclusions.
Typically 2–5 days — shorter or longer abstinence periods can both affect the accuracy of the results.
Not always. Mild reductions can still allow natural conception, especially when other parameters are normal. Your doctor will interpret the full picture.
It should be done at an accredited lab following WHO guidelines, ideally one associated with a fertility or andrology specialist who can interpret the results in context.
A semen analysis report can look intimidating, but understanding what each value measures makes it far less confusing. Because results can vary and no single number tells the whole story, the most useful next step after an abnormal report is a proper consultation — not self-diagnosis based on the numbers alone.
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