Common causes of male infertility and how specialists diagnose them.
Common Causes of Male Infertility & Diagnosis London Andrology

Male infertility is more common than many realise, affecting a significant number of couples trying to conceive. At London Andrology, male factor infertility is recognised as a leading contributor to fertility challenges and is thoroughly investigated by specialist andrologists.

One of the most common causes of male infertility is poor quality semen. This includes a lack of sperm (low sperm count or azoospermia), poor sperm motility, and abnormal sperm morphology. A low sperm count or absence of sperm can drastically reduce the chance of fertilisation and is detected through detailed semen analysis.

In addition to sperm quality issues, other factors such as infections, testicular damage, and ejaculatory disorders can impair fertility. Damage to the testicles from infection, surgery, or trauma negatively affects sperm production. Some hormonal imbalances, including low testosterone or conditions like Klinefelter syndrome, can also disrupt normal sperm development and are evaluated through blood testing.

Diagnosis by male fertility specialists begins with a comprehensive semen analysis. This test assesses sperm concentration, motility, and morphology — key indicators of semen health. Further investigations may include genetic blood tests, hormone level evaluations, sperm DNA fragmentation testing, and semen cultures to build a clear picture of fertility status.

Specialists tailor diagnostic pathways to each individual’s situation, using advanced tests to uncover causes that aren’t always apparent. Lifestyle factors such as stress, heat exposure, smoking, and alcohol intake may also be considered, and guidance is provided to support fertility optimisation.

By combining specialist expertise with detailed diagnostic tools, London Andrology helps men understand the root causes of infertility and explore appropriate treatment options to maximise their chances of conceiving.

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This article is intended to inform and give insight but not treat, diagnose or replace the advice of a doctor. Always seek medical advice with any questions regarding a medical condition.

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