Claire Dawson
Semen analysis is a test that assesses fertility in men and confirms the success of a vasectomy. The test involves collecting a semen sample and evaluating it in a lab. The preferred method of producing a semen sample is through masturbation, which can be done at home or in a private room at a fertility clinic or lab. The sample must be collected in a clean container with a secure lid, and it is important to avoid lubricants as they are toxic to sperm. The sample should be brought to the lab within 30 minutes to one hour of collection and kept at room temperature. Semen analysis evaluates sperm count, motility, morphology, and more.
| Characteristics | Values |
|---|---|
| Test Name | Semen Analysis |
| Purpose | Assess fertility, confirm vasectomy success, detect fertility issues |
| Sample Collection | Masturbation into a sterile container, avoid lubricants |
| Sample Location | Collected at home or in a private room at a lab |
| Abstinence Period | 2-7 days of sexual abstinence before the test |
| Time to Collection Lab | Within 30 minutes to 1 hour of collection |
| Storage Temperature | Room temperature, close to the body |
| Sample Evaluation | Volume, sperm count, sperm concentration, motility, morphology, liquefaction, pH, white blood cells |
| Results | May indicate infertility or suggest further tests |
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What You'll Learn
Semen analysis: what is it?
Semen analysis is a test that assesses male fertility (the ability to conceive) or confirms the success of a vasectomy. It is one of the first steps in detecting fertility issues.
The test involves collecting a semen sample and evaluating it in a lab. The preferred method of producing a semen sample is through masturbation, which can take place at home or in a private room at a fertility clinic or lab. It is important to collect the entire specimen and notify the lab if any semen is lost, as sperm are very sensitive to temperature changes. Lubricants should be avoided as they are toxic to sperm. The specimen should be collected in a clean container with a secure lid.
A semen analysis evaluates sperm count, motility, morphology, and more. It measures the quantity and quality of semen and sperm. It helps find the cause of infertility or confirms the success of a vasectomy. Sperm counts vary from day to day, so more than one sample may be needed a few weeks apart.
A semen analysis can also include measurements of volume, sperm concentration, and white blood cells. The quality of semen can differ day to day and can be affected by illness or infection. At least two semen analyses, at least six weeks apart, are needed to properly check fertility.
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How to collect a semen sample
Collecting a semen sample for a sperm test can be an uncomfortable and awkward experience, but it's important to remember that clinic nurses and staff are professionals and your sample will be handled with care and respect.
Before Collection
Firstly, you will need to make an appointment at a fertility clinic or lab. Before your appointment, it is recommended to refrain from sexual activity, including masturbation, for two to seven days. This will ensure the most active and fastest-moving sperm. If you are unable to abstain for this period, a minimum of two days is required.
Collection Method
The preferred method of collection is through masturbation into a sterile container provided by the clinic or lab. If you are unable to masturbate due to religious reasons, you can use a non-lubricated condom during sexual intercourse and then transfer the semen to the container. Alternatively, you can use a specialised collection condom, which can be purchased from the fertility clinic or online. It is important to note that regular condoms should not be used as they can damage the sperm.
During Collection
When collecting the sample, ensure that your hands and penis are clean. Wash them thoroughly with soap and water. Avoid touching the inside of the container and try to collect the first part of your ejaculate as it is the most sperm-rich.
After Collection
Once you have finished, secure the lid on the container. Ensure your name, date of birth, time, and date are clearly printed on the container. If you are collecting the sample at home, bring it to the clinic or lab within one hour, maintaining the sample at room temperature (around 20 degrees Celsius). Sperm is sensitive to temperature changes, so keep the container upright and do not place it in a bag, pocket, or briefcase.
Additional Samples
It is common for healthcare providers to request multiple semen samples over several days for a more accurate analysis as sperm counts can vary daily. If you are experiencing stress or anxiety about the process, relaxation techniques, such as deep breathing or meditation, may be helpful.
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What to do after collecting a sample
After collecting your semen sample, it is important to follow the correct steps to ensure the sample stays uncontaminated and fresh. Here is what you should do:
Firstly, ensure that you have collected the entire specimen. If any semen is lost or spilled, make sure to notify the laboratory. Sperm are very sensitive to temperature changes, so it is best to collect the sample at the clinic, if possible. If you are collecting the sample at home, make sure to use a clean specimen container with a secure lid, such as a screw-on cap. Do not use a bag or a condom to transport the sample.
After collection, if you are at a clinic, hand the sample to the laboratory specialist immediately. If you are taking the sample home, it is important to get it to the lab as soon as possible, preferably within 30 minutes to an hour of collection. Keep the sample at room temperature during transportation, and consider keeping it close to your body, inside your shirt or coat, to avoid temperature extremes.
Make sure to follow any specific instructions provided by the clinic or laboratory, and notify them if you have any concerns or questions.
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Interpreting the results
Sperm Count
Sperm count, or sperm concentration, refers to the number of sperm present in each milliliter of fluid. A typical sperm count ranges from 15 million to over 200 million sperm per milliliter of semen. A count of less than 15 million sperm per milliliter or 39 million per ejaculate is considered low, while a count of over 200 million sperm per milliliter is considered high or above average. A healthy ejaculation should contain at least 39 million sperm, of which 58% or more should be alive.
Sperm Motility
Sperm motility refers to the percentage of sperm that are moving. At least 50% of the sperm should exhibit motility, with at least 50% of those showing forward progression, or moving in an effective forward pathway. This factor is crucial in determining the sperm's ability to reach and fertilize an egg.
Semen Volume
Semen volume refers to the total amount of fluid collected in the sperm sample. A normal volume falls between 1.5 and 5 milliliters, with the average ejaculation containing between 2 and 5 milliliters. Lower than average semen volume is not necessarily a cause of infertility but may be connected to underlying conditions.
Sperm Morphology
Sperm morphology pertains to the shape and structure of the sperm. A normal spermatozoid must have an oval form with a smooth contour, an acrosomal cap encompassing 40-70% of the head, no abnormalities of the midpiece or tail, and no cytoplasmic vacuoles of more than half of the sperm head. At least 30% of the sperm should have a normal shape, according to the World Health Organization's criteria. Abnormalities in sperm morphology can reduce the chances of successful fertilization.
It is important to note that a semen analysis is not the sole determinant of fertility, and other factors come into play. Additionally, receiving a low sperm count diagnosis does not necessarily mean one cannot have a baby. Lifestyle changes, medical treatments, and fertility options are available to improve sperm count and overall fertility.
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When to get a sperm test
A semen analysis is often recommended when couples are having problems getting pregnant. The test will help a doctor determine if a man is infertile and if so, whether low sperm count or sperm dysfunction is the reason.
You should get a semen analysis if you have recently had a vasectomy and need to make sure that you don't have any sperm in your semen. Doctors often recommend that men take a sperm analysis once a month for three months to ensure that sperm is no longer present in their semen. The test is usually done 8 to 16 weeks after the surgery.
If you are concerned about your fertility, it is best to get a lab test done by a medical professional. This will give you a more comprehensive evaluation of your fertility than an at-home test. At-home tests can delay a diagnosis and/or necessary treatment.
To get the most accurate results, your doctor will want to test more than one sample. You will need to provide another sample within two to three weeks. This is because semen samples can vary from day to day. You may even need to provide two to three samples over a three-month period.
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