Male fertility plays an important role in conception, with male factors contributing to a significant proportion of infertility cases.

Male Fertility and Infertility: Why Both Partners Should Be Evaluated

Fertility can be affected by factors in either partner, which is why fertility assessment for both men and women is an important part of understanding the potential causes of infertility. For men, a fertility evaluation may include a review of medical history and a semen analysis to assess sperm count, movement, and morphology.


At Genea Thailand, our fertility specialists assess both partners to help identify potential factors affecting conception and recommend appropriate fertility testing and treatment options based on each couple's individual needs.

How Common Are Male Fertility Problems?

  • Male fertility problems are relatively common and can contribute to difficulties with conception. Low sperm count, reduced sperm movement, and abnormal sperm morphology are among the factors that may affect male fertility.
  • A semen analysis is one of the key tests used to assess male fertility and can help identify potential sperm-related factors affecting conception. At Genea Thailand, our fertility specialists can recommend appropriate fertility testing based on your individual circumstances.

Age and Its Impact on Male Fertility

Age can affect male fertility, although the decline tends to be more gradual than in female fertility. As men age, changes in sperm quality, including sperm motility and morphology, may occur, and the time it takes to conceive may increase.


While men can remain fertile later in life, advanced paternal age may be associated with changes in sperm quality and certain reproductive outcomes. If you have concerns about age and male fertility, a fertility assessment and semen analysis can help provide a clearer understanding of your reproductive health.

Diagnosing Male Infertility

If you have concerns about male fertility, a comprehensive fertility assessment can help identify potential factors affecting your ability to conceive. Depending on your medical history and individual needs, your fertility specialist may recommend:

  • Medical and Physical Examination: Reviewing your medical history and overall reproductive health.
  • Blood and Urine Tests: Assessing general health and identifying conditions that may affect fertility.
  • Semen Analysis: Evaluating key sperm parameters, including sperm count, motility, and morphology.
  • Advanced Sperm Testing: Additional tests may be recommended to assess sperm DNA integrity and other aspects of sperm quality.
  • Further Diagnostic Testing: Depending on the initial findings, your fertility specialist may recommend genetic testing, ultrasound imaging, or other specialised investigations.

Have questions about your fertility?

Contact us anytime, and our Fertility team will be happy to assist you.

FAQs on Male Fertility and Infertility

What percentage of infertility cases are due to male fertility issues?
About 30% of infertility cases in Australia are due to male fertility issues. Additionally, another 30% of cases involve problems with both male and female fertility.
How common are low sperm levels among men?
Approximately 1 in 20 Australian men have low sperm levels, and 1 in every 100 men has no sperm at all.
What causes male infertility?
Male infertility can be caused by various factors, including low sperm quality or quantity, issues with sperm reaching the egg, medical conditions or hormonal problems, lifestyle or environmental factors, age, and sperm DNA fragmentation.
How does age affect male fertility?
Men's fertility starts to decline around age 35, making them about half as fertile as they were at 25. After age 55, their fertility decreases dramatically.
How is male fertility evaluated?
Male fertility can be evaluated through medical history, physical examination, blood and urine tests, semen analysis, and the Sperm Chromatin Integrity Test (SCIT) for sperm DNA fragmentation. Further tests may include genetic testing, ultrasound or MRI, testicular biopsies, fine needle aspirations, and antisperm antibody tests.

Connect with Fertility Specialists

If you have concerns about male infertility or your fertility, our team at Genea Thailand is here to help. Our fertility specialists can assess your individual circumstances, explain the possible causes of male infertility, and recommend appropriate fertility testing and treatment options based on your needs.

Understanding the causes, diagnosis, and treatment options for male infertility can help you make informed decisions about your fertility journey. At Genea Thailand, we provide personalised guidance and fertility care to support you at every step.

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