A sperm analysis, also called a semen analysis, examines a semen sample in a laboratory. It commonly measures semen volume, sperm concentration, total sperm number, movement and shape. The test is private and usually straightforward, but correct collection, prompt delivery and laboratory quality are important for a meaningful result.
Before the test
Follow the clinic’s collection instructions. You will usually be asked to avoid ejaculation for a specified number of days. Tell the clinic about fever, recent illness, medicines, supplements and any collection difficulty because these can affect interpretation.
Do not use ordinary lubricants, saliva or a standard condom unless the laboratory specifically provides an approved collection method. Some products can interfere with sperm movement.
How the sample is collected
The sample is usually produced by masturbation into a clean, sterile, labelled container in a private collection room or, where the laboratory permits, at home. The entire ejaculate should be collected because the first portion often contains many sperm.
If any part is missed, tell the laboratory rather than trying to conceal it. Home samples must be delivered within the time and temperature conditions given by the clinic.
What happens in the laboratory
The sample is allowed to liquefy and is checked using standardised laboratory methods. Assessment commonly includes:
- Volume and physical characteristics of the semen
- Sperm concentration and total sperm number
- Motility: how many sperm move and how they move
- Morphology: the proportion with a typical shape
- Vitality when needed: whether sperm are alive
- Other observations, such as pH or cells that may suggest inflammation, when clinically relevant
How results are interpreted
A semen analysis is not a simple pass-or-fail fertility test. WHO reference distributions do not create a strict border between fertile and infertile men. Pregnancy depends on several semen measures and on the reproductive health of both partners.
A mildly abnormal result may be repeated because semen changes over time and can be affected by fever, incomplete collection, abstinence period and normal biological variation.
What happens after an abnormal result
The fertility specialist may recommend a repeat sample, examination, hormone tests, ultrasound or genetic evaluation depending on the pattern and severity. Do not start testosterone or fertility supplements without medical advice.
Book a consultation with Sampurna
Sampurna Women Care & IVF provides fertility evaluation and treatment at JC18, JC Block, Sector III, Salt Lake, Bidhannagar, Kolkata – 700106. Patients from Bangladesh may begin with an online consultation. When an in-person visit is recommended, the team can assist with medical-visa documentation and visit planning; visa approval remains subject to the relevant government authorities.
Call or WhatsApp +91 81003 46614 to book a consultation. Recommendations vary according to both partners’ medical history, test results and preferences.
Frequently asked questions
Is semen analysis painful?
No. The laboratory test itself is not painful; it requires collection of a semen sample.
Can I collect the sample at home?
Sometimes, but only if the laboratory allows it and its delivery instructions can be followed exactly.
What if I cannot produce a sample by masturbation?
Tell the clinic beforehand. An approved alternative collection method may be discussed.
Does one abnormal result prove infertility?
No. Results vary and must be interpreted with the couple’s full clinical picture.
Does the test check sperm DNA?
Routine semen analysis does not usually include DNA fragmentation. Additional tests are used only when clinically indicated.
Medical disclaimer
This article provides general educational information and is not a diagnosis or substitute for individual medical advice. Fertility factors and treatment options vary. Consult a qualified clinician for recommendations based on your circumstances.
