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and side effect reporting information
can be found at the bottom of the page
.

MALE

STERILISATION

PROS

Easy to use

As it is a permanent method of contraception, you don't need to remember to take/use it every day or every time you have sex.

Not user dependent

As it is a permanent method of contraception, you can't forget to take it or use it in the wrong way.

Highly effective

Over 99% effective at preventing pregnancy.

Periods

Doesn't affect your periods.

Permanent

Long term solution to contraception.

Hormone free

It's a non-hormonal method of contraception.

Doesn’t interrupt sex

You don't need to worry about contraception in the moment.

No hormonal side effects

No hormonal side effects such as weight gain, mood swings and breast tenderness.

CONS

Not reversible

Not usually reversible.

STIs

Does not protect against HIV infection (AIDS) and other sexually transmitted infections (STIs).

Administration

Requires a medical procedure.

The pros and cons listed are not exhaustive. Talk to your doctor or nurse for more information.

SIDE EFFECTS

Vasectomy side effects

In most men, the only side effects of a vasectomy will be mild discomfort, swelling and bruising of the testicles for a few days afterwards. In very rare cases more long term and complicated side effects may occur. This could include:

A collection of blood inside the scrotum (haematoma).
Hard lumps caused by sperm leaking from the tubes (granulomas).
Surgical site infection.
Long term testicle pain.
The vas deferens tube can reconnect (but this is very rare).

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PREPARING FOR YOUR GP APPOINTMENT

TALKING TO YOUR DOCTOR

Get the information you need for an informed discussion with your doctor.

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PP-UN-WHC-GB-0307 July 2025