| By surgery the vas through which sperms travel
from the testes to the penis are blocked. This is a permanent method of
contraception and can only be considered if no more children are desired. The operation is performed under local anaesthesia as a day
surgery and it is not immediately fully effective. Besides, minor complications
include swelling pain, bleeding and infection may occur. Another reliable birth
control method must be used until at lease 2 consecutive semen tests show that there are
no sperms present. Very rarely, the vas may rejoin and fertility
returns.
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