Male infertility accounts for nearly half of all conception struggles, yet men are often the last to be tested. Here's why that needs to change.
The Conversation Nobody Is Having with Men
When a couple struggles to conceive, the emotional weight often falls disproportionately on the woman. She is the one scheduling appointments, tracking cycles, and undergoing blood tests. Yet in nearly 40 to 50% of infertility cases, the contributing factor is found on the male side — and in another significant portion, both partners share a role.
Despite this, male infertility remains underdiagnosed and underdiscussed. Many men go months — sometimes years — without being tested, while their partners undergo complex and emotionally taxing fertility investigations first. This approach is not just inefficient; it can delay the right treatment by a considerable margin.
The good news? Evaluating male fertility is straightforward, non-invasive, and can provide critical answers quickly. Here is why starting with a semen analysis makes both medical and practical sense.
What a Semen Analysis Actually Tells You
A semen analysis is the cornerstone of male fertility evaluation. It is a simple test — a semen sample is collected and examined in a laboratory — yet the information it yields is remarkably detailed. Doctors assess several key parameters:
Sperm count (concentration): The number of sperm per millilitre of semen. A normal count is generally considered to be 16 million or more per millilitre.
Motility: The percentage of sperm that are moving, and how well they move. Sperm need to swim purposefully to reach and fertilise an egg.
Morphology: The shape of the sperm. Even a small percentage of normally shaped sperm (4% or more, by strict criteria) can be sufficient for conception.
Volume and pH: The total amount of fluid and its acidity level, which affect sperm survival.
Vitality: The proportion of live sperm in the sample.
Each of these values tells a different story. A man can have a normal count but poor motility. Another may have excellent motility but significant morphology issues. Understanding the specific pattern helps doctors identify the underlying cause and recommend the most targeted treatment.
Common Causes of Male Infertility (and Why They Are Often Treatable)
One of the most reassuring things to understand about male infertility is that many of its causes are treatable or manageable. Common reasons for abnormal semen parameters include:
Varicocele
A varicocele is an enlargement of the veins within the scrotum, similar to varicose veins. It is the most common correctable cause of male infertility and is found in approximately 15% of all men and up to 40% of men being investigated for infertility. Surgical treatment of a varicocele can significantly improve sperm parameters in many cases.
Hormonal Imbalances
Hormones such as FSH, LH, testosterone, and prolactin play a critical role in sperm production. When these are out of balance — due to pituitary issues, thyroid disorders, or other conditions — sperm production can suffer. The important point is that hormonal causes are often correctable with medication.
Lifestyle Factors
Heat, stress, obesity, smoking, alcohol, and anabolic steroid use all have a documented negative effect on sperm health. Sperm take approximately 72 to 90 days to mature, which means positive lifestyle changes made today can meaningfully improve a semen analysis three months from now.
Obstructive Causes
Sometimes sperm production is normal, but a blockage prevents sperm from being ejaculated. This can occur as a result of prior infections, vasectomy, or congenital absence of the vas deferens. In these situations, surgical sperm retrieval techniques can often successfully obtain sperm for use in IVF or ICSI treatment.
Genetic Factors
Conditions such as Klinefelter syndrome or Y-chromosome microdeletions can affect sperm production. Genetic testing forms an important part of the workup in men with very low or absent sperm counts, and helps couples understand their options and the likelihood of passing on certain conditions.
When Should a Man Get Tested?
Current international guidelines recommend that both partners be investigated simultaneously from the very beginning of a fertility workup. There is no reason to wait. In practical terms, this means:
If a couple under 35 has been trying to conceive naturally for 12 months without success, both partners should be evaluated.
If the woman is 35 or older, evaluation should begin after just 6 months of trying.
If there is a known risk factor — such as a history of mumps, testicular injury, or prior STI — male evaluation should happen even sooner.
Starting with a semen analysis is logical because it is quick, affordable, and non-invasive. A result is typically available within a few days. Discovering a male factor early can completely change the direction of treatment — sparing the female partner unnecessary procedures, saving time, and guiding the couple toward the most effective path forward.
How Male Factor Infertility Affects Treatment Decisions
Understanding the male fertility picture is not just about diagnosis — it directly shapes treatment choices. For example:
Mild sperm issues combined with normal female investigations may make IUI (intrauterine insemination) a reasonable first-line option.
Moderate to severe sperm abnormalities typically point toward IVF with ICSI (intracytoplasmic sperm injection), where a single sperm is injected directly into the egg — significantly improving fertilisation rates.
A treatable cause like a varicocele or hormonal imbalance may mean that conception is possible naturally once the underlying issue is addressed.
Without testing the male partner, couples risk choosing a treatment that is either unnecessary or unlikely to succeed. At Iswarya Fertility, male factor evaluation is always part of the initial assessment — because complete answers require looking at both partners from the start.
Breaking the Stigma Around Male Fertility Testing
Perhaps the biggest barrier to timely male testing is not medical — it is emotional. Many men feel that a fertility diagnosis reflects on their masculinity or identity. This is a deeply human reaction, but it is important to gently challenge it.
Sperm parameters are a biological measurement, not a reflection of strength, character, or worth. Just as a woman's ovarian reserve or thyroid function is not a moral failing, neither is a low sperm count. Infertility is a medical condition — and like most medical conditions, it responds better to early, accurate diagnosis than to delay.
The men who walk into a fertility consultation and ask for honest answers are not showing weakness. They are showing exactly the kind of commitment and courage that parenthood requires.
Take the First Step Together at Iswarya Fertility
At Iswarya Fertility, we believe that fertility care should be a shared journey. Our andrology laboratories are equipped with advanced technology for comprehensive semen analysis and sperm function testing, and our specialists work closely with couples to interpret results with clarity and compassion.
Whether you are just beginning your fertility journey or have been trying for some time, a simple semen analysis could be the most important test you take this year. Book a consultation with Iswarya Fertility today — because getting the full picture, from both sides, is always the smartest place to start.