You are the partner reading this, or you are the person who has been doing the research and now needs your partner on board. Either way, you are tired of the workup being framed as "her problem to fix." You want to know what a thorough male evaluation actually looks like, what a home male fertility test kit does and does not tell you, and how to ask for the right tests without making the appointment feel like a confrontation.
A real male fertility workup is not an app. It is a clinical evaluation that combines history, physical examination, two semen analyses, and selective hormone or genetic testing, structured around the 2021 AUA/ASRM Guideline on the diagnosis and treatment of male infertility (amended 2024).1 2 It happens in parallel with the female workup, not after it. That parallel timing is in the guideline for a reason: male factor contributes to roughly half of all couple infertility, and the cycles a couple spends waiting for a male workup to begin are cycles that go to the wrong treatment plan.
Why does the male workup matter, equally and early?
Male factor is the sole cause of couple infertility in around 20 percent of cases and a contributing factor in another 30 to 40 percent.5 7 The AUA/ASRM guideline is explicit on the timing: evaluate both partners concurrently after 12 months of regular intercourse without conception, or after 6 months if the female partner is 35 or older.1 NICE Clinical Guideline CG156 uses the same framing for the UK setting.7
I see couples regularly who have spent two or three medicated cycles addressing the female side before anyone has run a second semen analysis on the partner. Skipping or delaying the male workup is one of the most common reasons couples burn cycles on the wrong treatment. It is also one of the simplest things to fix: book the urology or men's-health appointment in the same week as the female workup, not after the first round of female testing comes back.
A separate reason the male workup matters: it sometimes flags health issues that are not specifically about fertility. Testosterone deficiency, a clinically significant varicocele, and (rarely but importantly) testicular cancer can all surface during a thorough exam. So the workup serves the partner being evaluated, not only the conception plan.
What does a complete male fertility workup include?
The complete workup has four moving parts: history, physical examination, two semen analyses, and selective laboratory or imaging follow-up. Each part exists because no single piece on its own is sufficient.
The reproductive history asks about prior pregnancies the partner has fathered, the length of the current TTC window, frequency of intercourse, and prior surgeries (orchidopexy for undescended testes, hernia repairs, any vasectomy and reversal). It also covers any history of sexually transmitted infections, especially those that can cause epididymal scarring.
The medical history asks about mumps orchitis after puberty, chemotherapy or radiation exposure, and chronic illness. A careful prescription review is part of it: testosterone (any form), finasteride, opioids, SSRIs, and sometimes alpha-blockers. Recreational use of anabolic steroids and frequency of cannabis matter and should be asked plainly.
The lifestyle history covers heat exposure (daily hot tubs, sauna routines, laptop-on-lap habits, occupational heat), tobacco, alcohol pattern, and body composition.
The physical examination is performed by a urologist or a men's-health-trained clinician. It measures testicular volume with a Prader orchidometer, palpates for varicocele, confirms the presence of both vas deferens, and assesses secondary sex characteristics.1 A complete workup includes a physical exam. Bloods alone are not enough.
The cornerstone of the laboratory side is two semen analyses, collected with 2 to 7 days of abstinence each, at least 4 weeks apart. One sample does not characterise a parameter.3 4 If the first analysis is abnormal, the second one decides whether the abnormality was transient or persistent. We will come back to what each parameter means below.
A hormone panel is added when the semen analysis is abnormal, when libido or sexual function is affected, or when the exam suggests it. The standard panel is a morning total testosterone, FSH, LH, and prolactin; estradiol and SHBG are added selectively. Genetic testing (karyotype, Y-chromosome microdeletion) is reserved for severe oligospermia (concentration below 5 million per mL) or azoospermia, and CFTR testing for suspected congenital bilateral absence of the vas deferens.1 Scrotal ultrasound is selective: indicated when the exam suggests a varicocele, when there is a palpable mass, or when the workup needs more anatomic detail.
Sperm DNA fragmentation testing sits in a separate category. It is not first-line. It is appropriate for unexplained infertility, recurrent pregnancy loss, recurrent IUI or IVF failure, and in selected varicocele evaluations.6 The dedicated post on this is at sperm DNA fragmentation testing: when and why.
What does a semen analysis measure?
A semen analysis reports seven core parameters: volume, sperm concentration, total sperm number, total motility, progressive motility, morphology, and vitality, with leukocyte count and pH alongside. The reference values come from the WHO 2021 Laboratory Manual (6th edition), which sets thresholds as 5th-percentile lower reference limits from a population of fertile men whose partners conceived within 12 months.3 4 These are not pass/fail cutoffs between fertile and infertile; they describe the lower edge of the fertile range.
A result just below a cutoff does not mean infertility, and a result above every cutoff does not guarantee fertility. This is the single most-misread feature of the report.
The parameter-by-parameter walkthrough lives in how to read a semen analysis; the reference table is in normal sperm count ranges. Briefly: one abnormal value triggers a repeat after 4 or more weeks, not a diagnosis, because spermatogenesis is a roughly 74-day cycle and a sample reflects the entire 3-month window before collection.
What can a home male fertility test kit measure?
The phrase home male fertility test kit covers a wide spectrum of products. Most consumer kits, including the brands sold at Boots, Walmart, and Rite Aid as well as the various Babystart, OneStep, and "male and female fertility test kit" combinations, measure sperm concentration only. A few add a basic motility readout. None of them reliably measure morphology, DNA fragmentation, vitality, leukocytes, or volume. An at-home AMH test kit is a different product entirely and tests a female ovarian reserve marker, not anything sperm-related.
Where home kits are useful is as a screening trigger or a conversation starter. If the partner being evaluated is reluctant to give a clinical sample as a first step, a home kit can open the door. A low result from a home kit should push you straight to a clinic-based analysis, not to a treatment decision. The kit does not have the sensitivity or the calibration to make a diagnostic call.
Where home kits are unhelpful is as a final answer. The false-reassurance pattern is real and common: concentration is normal on the home test, the couple skips the clinical workup, and three cycles later a clinic-based analysis shows motility at 25 percent or morphology at 1 percent. The home test missed it because it never measured it. So: use a home kit as a doorway, not as a destination. Reddit threads will tell you variations on this; the underlying clinical reality is the same.
When should you go straight to a urologist?
There are scenarios where the right move is not a repeat semen analysis but a urology referral.
- Azoospermia (no sperm seen) on any analysis means a urology referral, not an indefinite series of repeats. The next step is centrifugation review, hormone panel, and a discussion about obstructive versus non-obstructive azoospermia.
- Severe oligospermia (concentration below 5 million per mL) needs urology assessment and almost always genetic workup (karyotype and Y-microdeletion).
- Total motility below 40 percent with a normal concentration that persists on two analyses goes to urology.
- A history of cryptorchidism, mumps orchitis, chemotherapy, radiation, or prior testicular surgery earns urology involvement from the start, not after a normal-looking analysis.
- A failed IUI cycle or failed IVF fertilisation with otherwise borderline parameters is a reasonable point to add DNA fragmentation testing per the ASRM evidence summary.6
This is not a checklist to memorise. It is a heuristic for when the workup needs a urologist's eyes rather than a generalist's.

What do the male hormone results mean?
The hormone panel pairs with the semen analysis to identify where the problem sits anatomically. Four patterns cover most of what we see in clinic.
A high FSH with low testicular volume points toward primary testicular failure. The Sertoli cells, which normally suppress FSH, are damaged; the pituitary is shouting at testes that cannot respond. This pattern is often irreversible, though management options exist.
Low FSH, low LH, and low testosterone together point toward hypogonadotropic hypogonadism, a pituitary or hypothalamic problem. This is often treatable with gonadotropin therapy, sometimes dramatically so.
Normal FSH with a low testosterone in someone who otherwise looks well prompts a careful look for exogenous testosterone (prescribed or non-prescribed), opioid suppression, or obesity-related secondary hypogonadism. The fix here is often stopping the offending exposure and giving the system 3 to 12 months to recover.
An elevated prolactin points to a pituitary issue and prompts a pituitary workup, mirroring the female-side workup of the same problem (see prolactin and fertility). Significant hyperprolactinaemia in a male partner is usually drug-related (antipsychotics, some antidepressants) or, less commonly, points to a prolactinoma. The workup mirrors the female side: confirm on a repeat morning sample, review medications, and image the pituitary with an MRI if the elevation is persistent and unexplained.
A separate hormone-related pattern worth naming: a man on prescribed testosterone replacement therapy with a concurrent low sperm count is a common picture in clinic, and one that surprises couples. Exogenous testosterone suppresses pituitary FSH and LH, which in turn suppresses spermatogenesis. The fix is stopping the testosterone under medical supervision, often with adjunctive medications (clomiphene, hCG) to help recover the endogenous axis. Recovery takes 3 to 12 months, sometimes longer, and is not always complete. This conversation deserves time; testosterone is sometimes prescribed for fatigue or low mood without a clear discussion of its fertility consequences.
What is a varicocele, and when should it be repaired?
A varicocele is a dilation of the pampiniform plexus of veins draining the testis. It is one of the most common findings on a male fertility workup, present in roughly 15 percent of men generally and 35 to 40 percent of men presenting with primary infertility.1 Most varicoceles are on the left, due to the anatomy of the left testicular vein.
Not every varicocele needs repair. The AUA/ASRM 2021 Guideline supports varicocele repair when three conditions are met: the varicocele is clinically palpable on examination (grade 1 or above), the couple is documented as infertile, and the semen parameters or sperm DNA integrity are abnormal.1 2 Subclinical varicoceles found only on ultrasound, and clinically palpable varicoceles in men with normal semen parameters, are not standard indications for surgical repair in the TTC setting.
When repair is indicated, the techniques include microsurgical subinguinal varicocelectomy (the gold standard) and percutaneous embolisation. Recovery is generally quick. Improvement in semen parameters takes 3 to 6 months, again following the spermatogenesis clock. Live birth rates after repair improve modestly in randomised data; the effect size is real but not dramatic, and it is one piece of the broader plan rather than a stand-alone fix.
Which lifestyle changes have the strongest evidence?
The lifestyle conversation matters because spermatogenesis is responsive to it. The full cycle is approximately 74 days plus around 14 days of epididymal transit. Any change made today shows up in a semen analysis at the earliest 3 months from now. That timeline is the reason we re-test at 3 months and not at 3 weeks.
The interventions with the best evidence are:
- Smoking cessation improves concentration, motility, and DNA integrity.
- Alcohol reduction below roughly 14 units per week, with attention to binge patterns rather than just total weekly intake.
- Heat avoidance: stopping daily hot tubs, sauna routines, and laptop-on-lap habits. Occupational heat exposure is harder to address but worth discussing.
- Stopping anabolic steroids and exogenous testosterone under medical supervision, with the understanding that recovery takes 3 to 12 months and is sometimes incomplete.
- BMI optimisation where applicable, because adipose tissue aromatises testosterone to oestradiol and contributes to secondary hypogonadism.
None of these is a quick win. All of them respect the 74-day clock.
What to ask at the urology or RE appointment
A short list, designed to make the appointment productive rather than performative.
- "Has my partner had a physical examination, or only labs?"
- "Have we done two semen analyses, or only one?"
- "Do the hormone results suggest a primary (testicular) or a secondary (pituitary or hypothalamic) cause?"
- "Is varicocele repair indicated for us, and at what clinical threshold?"
- "Given our history, should we add DNA fragmentation testing now or later?"
A clinician who is doing the workup well will welcome these questions because they are the questions the workup is designed to answer.
What's next in your journey
- If parameters are normal on two analyses, continue the female workup and the joint plan via the medicated cycles hub
- If results are borderline, go parameter-by-parameter in how to read a semen analysis and review the ranges in normal sperm count ranges
- If results are concerning, ask the urologist about sperm DNA fragmentation testing and complete the genetic and hormone workup
- For the lifestyle window before re-testing: preparing your body
- If a cycle has already failed and you need to be with that for a moment: when the cycle doesn't work
Sources
- Schlegel PN, Sigman M, Collura B, Coward RM, Costabile RA, Gefen-Halevi S, et al. Diagnosis and Treatment of Infertility in Men: AUA/ASRM Guideline Part I. Fertility and Sterility 2021;115(1):54-61. https://doi.org/10.1016/j.fertnstert.2020.11.015
- Schlegel PN, Sigman M, Collura B, Coward RM, Costabile RA, Gefen-Halevi S, et al. Diagnosis and Treatment of Infertility in Men: AUA/ASRM Guideline Part II. Fertility and Sterility 2021;115(1):62-69. https://doi.org/10.1016/j.fertnstert.2020.11.016
- World Health Organization. WHO Laboratory Manual for the Examination and Processing of Human Semen, 6th edition. Geneva: WHO Press, 2021. https://www.who.int/publications/i/item/9789240030787
- Practice Committee of the American Society for Reproductive Medicine. Diagnostic evaluation of the infertile male: a committee opinion. Fertility and Sterility 2015;103(3):e18-e25. https://doi.org/10.1016/j.fertnstert.2014.12.103
- Agarwal A, Mulgund A, Hamada A, Chyatte MR. A unique view on male infertility around the globe. Reproductive Biology and Endocrinology 2015;13:37. https://doi.org/10.1186/s12958-015-0032-1
- Esteves SC, Zini A, Coward RM, Evenson DP, Gosálvez J, Lewis SEM, et al. Sperm DNA fragmentation testing: Summary evidence and clinical practice recommendations. Andrologia 2021;53(2):e13874. https://doi.org/10.1111/and.13874
- National Institute for Health and Care Excellence. Fertility problems: assessment and treatment. NICE Clinical Guideline CG156, 2013 (updated 2017). https://www.nice.org.uk/guidance/cg156
Common questions
When should the male fertility workup start?
The AUA/ASRM guideline says to evaluate both partners concurrently after 12 months of regular intercourse without conception, or after 6 months if the female partner is 35 or older. The male workup happens in parallel with the female workup, not after it. Booking the urology or men's-health appointment in the same week as the female workup avoids burning cycles on the wrong treatment plan.
What does a complete male fertility workup include?
A complete workup has four moving parts: history, physical examination, two semen analyses, and selective laboratory or imaging follow-up. The history covers reproductive, medical, and lifestyle factors, and the physical exam is performed by a urologist or men's-health-trained clinician. Hormone, genetic, and ultrasound testing are added selectively when the semen analysis or exam suggests them. Bloods alone are not enough.
Why are two semen analyses needed instead of one?
Two semen analyses are the cornerstone of the laboratory side, each collected with 2 to 7 days of abstinence and at least 4 weeks apart. One sample does not characterise a parameter. If the first analysis is abnormal, the second one decides whether the abnormality was transient or persistent.
Can a home male fertility test kit replace a clinical workup?
No. Most consumer home kits measure sperm concentration only, and a few add a basic motility readout. None reliably measure morphology, DNA fragmentation, vitality, leukocytes, or volume. Use a home kit as a doorway, not a destination: a low result should push you straight to a clinic-based analysis, not to a treatment decision.
When does a varicocele need to be repaired?
The AUA/ASRM 2021 Guideline supports varicocele repair when three conditions are met: the varicocele is clinically palpable on examination, the couple is documented as infertile, and the semen parameters or sperm DNA integrity are abnormal. Subclinical varicoceles found only on ultrasound, and palpable varicoceles in men with normal semen parameters, are not standard indications for repair in the TTC setting. When repair is indicated, improvement in semen parameters takes 3 to 6 months.