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Different size testicles

Dr Mark Porter / 10 February 2017

Dr Porter advises a reader who is worried about unevenly sized testicles in her husband.

worried wife
A wife is worried that her husband never examines himself. Photo posed by models.

Q: My husband never examines himself, but I have noticed that he has one testicle that is noticeably larger than the other – is this normal?

A: It is perfectly normal for a man to have different sized testicles, and for one to lie lower than the other (it makes walking easier) but if the change in size is recent then it should be looked at by a doctor.

Men should examine themselves regularly for abnormal lumps and bumps and get any changes checked out sooner rather than later. Cancer of the testicle is comparatively rare – there are fewer than 1500 cases a year in the UK and I have only ever seen two in my career. Indeed a similar number of men are killed by breast cancer every year, yet even fewer men check their breasts.

Fortunately cancer of the testicle is very treatable with cure rates well over 90% in most cases, but the earlier it is caught the better. Men between the ages of 19 and 45 are most at risk from cancer of the testicle, particularly those who have had a brother or father with the condition. Luckily most lumps, bumps and swellings in and around the testicles end up being due to something else, but it pays to be careful.

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The opinions expressed are those of the author and are not held by Saga unless specifically stated. The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. You should not rely on this information to make (or refrain from making) any decisions. Always obtain independent, professional advice for your own particular situation.

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