How to choose an at-home male fertility test in the UK
The best at-home male fertility test is the one that answers the question you actually have. Home kits differ in what they measure, and some check only one feature of a semen sample. This guide sets out what to look for, so you can judge any kit, including ours, on what it does and does not tell you.
What should a home sperm test measure?
Look for a clear statement of what the kit measures. A laboratory semen analysis looks at several features together: concentration (sperm per millilitre), total number, movement (motility), shape (morphology) and volume. A home kit that reports one of these cannot tell you about the others. The U-Test male fertility guide explains each measurement and the current NICE laboratory reference values.
Five things to check before you buy
- What it measures. "Sperm test" and "fertility test" are broad labels. Check the product page says exactly which measurement the kit screens.
- What it does not measure. A trustworthy page says so plainly. If motility and shape are not covered, a reassuring result cannot speak to them.
- Clear instructions. Preparation, collection and reading times matter. Follow the leaflet in the pack exactly.
- Honest claims. Be cautious of "accurate", "clinically proven" or "diagnoses" wording without figures you can check. No home kit can diagnose infertility or guarantee conception.
- Next-step guidance. Good information tells you when to see a GP, whatever the result.
What does the U-Test Male Fertility Test Kit check?
The U-Test Male Fertility Test Kit is a home screen for sperm concentration only. It does not assess motility, morphology or a complete fertility picture. Use the supplied leaflet for preparation, collection and reading times.
Home test, laboratory test or GP: which suits you?
| Route | Useful for | Limit |
|---|---|---|
| Home concentration kit | A private, limited look at concentration | Not a full fertility assessment |
| Laboratory semen analysis | Several semen features measured together | Needs interpretation and sometimes repeating |
| GP assessment | History, examination and the right investigations, including a partner's fertility | Tests are chosen to fit your situation |
When to skip the home kit and see your GP
The NHS advises seeing a GP if you have not conceived after a year of trying. Women aged 36 and over, and anyone who knows they may have fertility problems, should see their GP sooner. That includes anything that may affect fertility, for example previous cancer treatment, surgery or a suspected STI. A lump, swelling or ongoing discomfort in a testicle needs an urgent GP appointment or NHS 111, and sudden severe testicular pain needs A&E immediately or a 999 call. A home result should not delay any of these.
Common questions
Can a home test tell me if I am fertile?
No. A concentration screen is one piece of information. Fertility depends on several factors in both partners, and only a clinical assessment can look at them together.
Is a higher sperm count always better?
Concentration is only one measurement. Total number, movement and shape are separate, and a single number does not establish fertility.
What should I do if the result is low?
Speak to your GP. A low indication is a reason to ask about a full laboratory semen analysis, not a conclusion that you cannot have children.
Written by the U-Test Health Content Team using NHS and NICE guidance. Last checked 23 October 2026. Next review 23 October 2027. This is general information, not medical advice. Speak to your GP or pharmacist about symptoms or results.


