If conceiving isn't working, the cause is wholly or partly male in about half of cases. Yet it's mostly the woman who gets investigated. In men a doctor looks at two things: the sperm cells (via semen analysis) and the hormones that drive production, such as FSH, LH and testosterone.
Honestly about scope: a blood test maps the hormonal side. The semen analysis itself runs via your GP or a fertility clinic.
What can the man investigate?
Roughly two tracks. A semen analysis assesses the number, motility and shape of the sperm cells. A blood test looks at the hormones that drive sperm production. Together they give a fuller picture than each alone.
Which hormones play a role?
FSH and LH signal your testicles from your brain, and testosterone is needed for sperm production. A raised prolactin can disturb the signalling. An abnormal pattern can help your doctor find the cause. See also sperm quality and hormones.
When is investigation reasonable?
If it doesn't work after about a year of unprotected trying, investigation in both partners is reasonable; sooner with known risk factors. Discuss this with your GP. See also the existing guide male fertility: what every man needs to know.
Getting started
The Men's Hormones panel brings FSH, LH, testosterone and prolactin together, as the hormonal side of the story.
References
- Wu FCW, et al. Identification of late-onset hypogonadism in middle-aged and elderly men. N Engl J Med. 2010;363(2):123-135. doi:10.1056/NEJMoa0911101.
- NHG-Standaard Subfertility (biology and course). Dutch College of General Practitioners.
- NVOG (Dutch Society of Obstetrics and Gynaecology). Investigation when pregnancy doesn't happen.
Disclaimer
Caliberhealth works with BIG-registered doctors who assess your blood results. This article gives general information and is not a substitute for medical advice from a GP or specialist. A blood test is a tool, not a diagnosis in itself. For serious symptoms, contact your GP, or in an emergency call 112.
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