Male Fertility Testing: What to Expect During a Semen Analysis

Key Takeaways

• Male factors contribute to about half of all infertility cases.
• A semen analysis is a simple, non-invasive test that evaluates sperm count, motility, and shape.
• Additional diagnostic tests may be recommended if a semen analysis doesn’t reveal a clear cause.
• Preparing properly for testing helps ensure accurate results.
• Fertility specialists can guide you through next steps and personalized treatment options.

Why Male Fertility Testing Matters

Male fertility is an essential part of conception. When a couple has been trying to conceive for six months to a year without success, it’s important to evaluate both partners. Roughly half the time, infertility involves male factors. Testing helps identify potential issues and guide the next steps toward treatment and family building.

What Is a Semen Analysis?

A semen analysis is the most common diagnostic tool used to evaluate male fertility. It measures both the amount and quality of sperm in a sample. Sperm production happens continuously and typically renews every three months. Factors such as hormone levels, diet, lifestyle, and medical history can all affect sperm health.

This test provides valuable insight into possible causes of infertility and helps determine whether changes in lifestyle, medical treatment, or assisted reproductive technology might be needed.

What to Expect During a Semen Analysis

A semen analysis is non-invasive and usually straightforward. It can be done either at home using a testing kit or in a clinic laboratory. At-home kits generally measure only a few parameters, while lab testing provides a more complete analysis.

You’ll be asked to provide a semen sample, typically through masturbation into a sterile container or using a special collection condom. The sample should be collected after abstaining from ejaculation for two to five days.

Parameters Measured

Volume

Volume is the amount of semen produced in one ejaculation. A normal sample is typically between 1.5 and 5 milliliters. The lab may also evaluate semen consistency, pH, and sugar content, as these influence sperm function.

Count

Sperm count refers to how many sperm are present in each milliliter of semen. A healthy sperm count generally ranges from 15 to 150 million sperm per milliliter.

Motility

Sperm motility refers to how well sperm move and whether they swim in a forward direction. This movement is crucial for sperm to reach and fertilize an egg naturally.

Morphology

Morphology refers to the shape and structure of sperm. A normal sperm cell has a distinct head, midpiece, and tail. Even in healthy samples, only about one-third of sperm typically have a “normal” shape, but this can still be compatible with conception.

Other Diagnostic Tests for Male Infertility

If a semen analysis appears normal but fertility challenges persist, additional tests may be recommended to look deeper into sperm function and genetic health.

Hormone Evaluation

A hormone evaluation can help check fertility hormones such as testosterone, follicle-stimulating hormone (FSH), and luteinizing hormone (LH) to assess sperm production and overall reproductive health.

Sperm Chromatin Integrity Test (SCIT)

This test evaluates the DNA quality inside sperm cells to identify fragmentation or damage that could affect embryo development.

Sperm Aneuploidy by FISH (Fluorescent In Situ Hybridization)

This test is used for three things: identifying chromosomes, counting chromosomes, and detecting any anomalies the chromosomes may have. 

Acrosome Reaction Test

The acrosome is a part of the sperm covering 40 to 60 percent of the head which contains enzymes that help the sperm to penetrate the egg for fertilization. When the sperm head comes in contact with the egg, an acrosome reaction takes place, exposing DNA binding sites that the egg’s chromosomes can bond to. This test simulates this bonding environment, to examine if the acrosome reacts as it should. 

Anti-Sperm Antibody Test

This test detects whether antibodies are interfering with sperm mobility or function, either in the male’s system or the partner’s cervical mucus.

Retrograde Semen Analysis

Retrograde ejaculation occurs when semen flows backward into the bladder instead of exiting through the urethra. This can happen in men with diabetes mellitus. This test checks whether semen is found in the urine after ejaculation, indicating retrograde ejaculation could be a factor. 

Transmission Electron Microscopy

This test provides a highly detailed look at sperm structure on a microscopic level to detect subtle abnormalities.

Kruger Morphology Test

Also known as the “strict criteria” morphology, this test assesses sperm shape, providing detailed insight into whether sperm are capable of fertilizing an egg.

Varicocele Evaluation

Varicoceles are enlarged veins in the scrotum, which can affect sperm production and quality. Treating varicoceles can often improve sperm parameters.

How to Prepare for a Semen Analysis

Before testing, abstain from ejaculation for at least twodays to ensure optimal sample quality. Avoid alcohol, caffeine, and heat exposure from saunas or hot tubs during that time. You’ll be asked to collect a sample in a sterile container, either on-site or at home, and deliver it to the lab quickly for analysis.

Understanding Your Results

Once your results are ready, your fertility specialist will review each parameter and explain what it means for your reproductive health. If further testing is needed, your provider will guide you through the next steps and help determine the most appropriate path forward.

Next Steps and Treatment Options

If your test results reveal a cause of infertility, your healthcare provider will explain your diagnosis and discuss treatment options. These may include medications, lifestyle changes, surgical correction, or assisted reproductive technologies such as intrauterine insemination (IUI) or in vitro fertilization (IVF).

FAQs

How does IVF help with male infertility?

IVF allows fertilization to occur in a lab setting, often overcoming sperm-related challenges by combining eggs and sperm directly.

What is ICSI, and how does it help?

ICSI (Intracytoplasmic Sperm Injection) involves injecting a single sperm directly into an egg to improve the chances of fertilization, particularly when sperm count or motility is low.

Who might need ICSI?

ICSI is typically recommended for individuals with severe sperm abnormalities, unsuccessful prior IVF cycles, or surgically retrieved sperm.

What is the success rate of IVF with ICSI?

Success rates are often between 70 and 80 percent, depending on overall fertility, egg health, and sperm quality.

Is there a higher genetic risk with ICSI?

There is a slightly increased risk of genetic abnormalities, but preimplantation genetic testing (PGT) can help screen embryos before implantation.

If you have questions about male fertility testing or would like to speak with a specialist, contact Dallas IVF. Our team can help you understand your results and explore your options for building your family.

Clinically reviewed by James Weinberger, MD