How is a vasectomy done?

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It is usually done with a local anaesthetic (but is sometimes done under a general anaesthetic). Local anaesthetic is injected into a small area of skin on either side of the scrotum above the testes. A small cut is then made to these numbed areas of skin.

The vas deferens can be seen quite easily under the cut skin. It is cut, and the two ends are tied. The small cuts to the skin are then stitched or stuck back together with tape. Dissolvable stitches are used if the cut is stitched. The operation takes about 15 minutes.

There is usually some discomfort and bruising for a few days afterwards. This normally goes away quickly. The discomfort can be helped by wearing tight fitting underpants day and night for a week or so after the operation. It is also best not to do heavy work, exercise, or lifting for a week or so after the operation.

Are there any risks to the operation?

Most men have no problems after a vasectomy. Problems are uncommon but include the following.

As with any operation or cut to the skin, there is a small risk of a wound infection.
The bruising around the operation site is sometimes quite marked, but will go in a week or so.
Rarely, sperm may leak into the scrotum and form a swelling which may need treatment.
A small number of men have a dull ache in the scrotum for a few months after the operation. This usually settles over time.
If you have a general anaesthetic, as with any operation there is a small risk associated with the anaesthetic.