How to Perform a Testicular Self-Exam and Catch Problems Early
A small change in the testicles can be easy to miss during everyday life. In the shower, getting dressed, or exercising, most people are not checking for subtle differences. A monthly testicular self-exam gives you a simple way to learn what feels normal for your body and spot changes early.
Most lumps, swelling, or discomfort in the scrotum are not cancer. Cysts, fluid build-up, infection, injury, and enlarged veins can all cause changes. Still, any new lump or unusual change should be checked by a healthcare professional. Early assessment can make treatment simpler and reduce the risk of complications.
This guide explains when to check, what to feel for, how to do the exam step by step, and when to seek medical help in the UK.
Why a monthly check helps
The main benefit of checking monthly is familiarity. Testicles vary in size, shape, and position. One may naturally hang lower than the other, and one may feel slightly larger. Once you know your normal, changes become easier to notice.
A self-exam does not diagnose a condition. It simply helps you decide when something needs medical attention. Think of it as an early warning habit, much like checking a mole that has changed shape or colour.
Testicular self-examination is especially useful because many changes are felt before they are visible. A lump may be painless. A feeling of heaviness can appear before obvious swelling. Mild discomfort may come and go.
Monthly checks are usually enough. Checking too often can make normal texture feel alarming and may lead to unnecessary worry. Pick a regular time, such as the first weekend of each month, and keep it simple.
If a lump, swelling, or new firmness does not feel normal for you, book a medical assessment rather than waiting to see if it goes away.
This article is for general information only. It does not replace advice from a GP, urologist, fertility specialist, or emergency care provider.
The best time and place to do it
The easiest time to examine the testicles is after a warm bath or shower. Warmth relaxes the scrotal skin, which makes it easier to feel the testicles and the structures around them.
Choose a private place with good lighting and no rush. You do not need any equipment. Clean hands and a few minutes are enough.
Before starting, it helps to understand what you are feeling:
Testicle
The firm, smooth, oval structure inside the scrotum.
Epididymis
A soft, tube-like structure at the back of each testicle. It can feel slightly ridged or cord-like. Many people mistake it for a lump the first time they check.
Spermatic cord
The cord-like structure running upwards from the testicle. It contains blood vessels and the tube that carries sperm.
Normal testicles should feel smooth and firm, but not rock-hard. They should not have a new lump, hard area, or major change in size.
How to perform the self-exam
Take your time. The whole check should take only a few minutes once you know the routine.
1. Stand in front of a mirror
Start by looking at the scrotum. Check for obvious swelling, changes in skin colour, or one side looking much larger than usual.
Some unevenness is normal. The aim is not to compare your body with anyone else. The aim is to notice a change from your own normal.
Look for:
New swelling on one side
A visible bulge
Redness or skin changes
A testicle sitting differently from usual
If looking causes anxiety, keep the visual check brief. The feeling part of the exam is usually more useful.
2. Support the scrotum with one hand
Use one hand to support the scrotum gently. This makes it easier to examine one testicle at a time.
Try not to tense your body. If the scrotal skin tightens, pause for a moment, breathe slowly, and continue when it relaxes.
3. Roll one testicle between your fingers
Place your thumb on the front of one testicle and your index and middle fingers behind it. Roll the testicle gently between your fingers.
You are feeling for the surface and texture. It should feel smooth, firm, and oval.
Do not squeeze hard. A light, careful touch is enough. Pressing too firmly can cause discomfort and make the exam less useful.
4. Feel for lumps, hard areas, or changes
Move slowly over the whole testicle. Notice whether there is a new lump, a firm patch, or a change in shape.
A concerning lump may feel like:
A small pea-sized bump
A hard nodule on the surface
A thickened area
A firm change within the testicle
Pain is not a reliable guide. Some serious changes may be painless, while some painful symptoms are caused by less serious conditions. Any new lump should be checked.
5. Find the epididymis so you do not confuse it with a lump
At the back and upper part of each testicle, you should feel the epididymis. It may feel like a soft, curved tube.
This structure is normal. It can be tender if pressed too hard. As you repeat monthly checks, it becomes easier to recognise.
If you are unsure whether you are feeling the epididymis or a lump, book an appointment. Clinicians are used to these concerns, and an examination can usually clarify what is going on.
6. Repeat on the other side
Now check the other testicle in the same way. Compare both sides, but remember that they do not need to match exactly.
What matters most is whether something is new, fixed, growing, or noticeably different from your usual anatomy.
7. Make a mental note of what is normal
You do not need to write detailed notes unless you find it helpful. A quick mental record is often enough.
Ask yourself:
Did both testicles feel smooth?
Was there any new lump or hard area?
Was there swelling, heaviness, or unusual discomfort?
Did anything feel clearly different from last month?
If everything feels normal, repeat the check next month.
What changes should be checked
Many scrotal changes have non-cancer causes, but they still deserve proper assessment. Problems such as infection, varicocele, hydrocele, cysts, hernia, and injury can all cause symptoms. Some need treatment to prevent pain, fertility issues, or other complications.
Book a routine appointment with a GP or specialist if you notice:
A new lump in or on a testicle
A testicle becoming larger or smaller
A heavy feeling in the scrotum
Dull aching in the testicle, groin, or lower abdomen
A change in firmness
Swelling that does not settle
Fluid build-up around the testicle
Ongoing tenderness or discomfort
A visible or felt change in veins above the testicle
Seek urgent medical help if you have sudden, severe testicular pain, especially with nausea, vomiting, fever, or a testicle sitting higher than usual. Sudden pain can be a sign of testicular torsion, where the testicle twists and its blood supply is affected. This is a medical emergency.
Do not wait because you feel embarrassed. Healthcare professionals examine testicular symptoms routinely. A short appointment is far better than weeks of worry.
What happens if you see a clinician
A clinician will usually start by asking when you noticed the change, whether it hurts, and whether you have had fever, urinary symptoms, injury, or previous testicular problems.
They may then examine the scrotum and groin. If needed, they may arrange an ultrasound scan. Ultrasound is commonly used to look at testicular lumps and swelling because it gives a clear picture of the structures inside the scrotum.
Depending on the symptoms, tests may also include:
A urine test if infection is possible
Blood tests in some cases
Referral to a urologist
Fertility assessment if there are concerns about sperm health, pain, varicocele, or previous testicular issues
If you are worried about fertility, pain, lumps, or changes in the scrotum, you can book a private appointment with The Male Factor for specialist support.
Make the habit easier to keep
A good health habit should be simple enough to repeat. If the routine feels complicated, it is easier to avoid.
Try linking the check to something you already do monthly:
The first shower after payday
The first Sunday of the month
The day you change your razor blade
A recurring phone reminder labelled simply as “health check”
Keep the wording private if that feels more comfortable. The reminder does not need to explain anything in detail.
If anxiety makes self-checking difficult, set a short limit. Spend two or three minutes checking, then stop. Rechecking several times in one day usually increases worry rather than clarity.
The goal is awareness, not perfection. You do not need to identify every structure with medical precision. You only need to notice a change and take it seriously.
Frequently asked questions
How often should I do a testicular self-exam?
Once a month is a sensible routine for most people. This is frequent enough to notice changes without turning checking into a daily source of anxiety.
Is it normal for one testicle to be bigger or lower?
Yes. It is common for one testicle to hang lower or be slightly different in size. A new or noticeable change is what matters.
What does a testicular lump feel like?
A lump may feel like a small hard bump, a firm patch, or a thickened area. It may or may not be painful. Any new lump should be checked by a healthcare professional.
Can pain mean cancer?
Pain can have many causes, including infection, injury, cysts, or torsion. Testicular cancer can sometimes cause discomfort, but pain alone does not tell you the cause. Sudden severe pain needs urgent medical attention.
Should I check if I have had testicular surgery before?
Yes, but ask your clinician what is normal for your situation. Surgery, injury, or previous conditions can change how the scrotum feels, so personalised advice is helpful.
The takeaway
A testicular self-exam is quick, private, and easy to build into monthly life. Check after a warm shower, feel each testicle gently, learn what is normal for you, and act if something changes.
Most changes are not serious, but guessing is never the safest plan. If you find a lump, swelling, new firmness, ongoing discomfort, or sudden pain, get medical advice promptly. Early checking gives you the best chance of simple answers, timely treatment, and peace of mind.
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