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More like guidelines and a lot less like definitions.

Testicular Health & Care


The testes are responsible for the production of sperm cells. The testes reside in the scrotum, outside of the body, because the temperature needed for sperm cells to be lively is slightly lower than the one of the body. Because of this, the testes and scrotum will hang further away from the body when it's warm, and will retract close to the crotch when it's cold. Usually, one testis will hang slightly lower than the other, and a slight difference in size between the two testes is not uncommon.

Self exam

It's recommended that you regularly gently feel your testes to look for abnormal bumps, swelling, fluid buildup (oedema) or other abnormal feelings.



Varicoceles is a common condition among people who have testes. It consists in swelling (varicosity) of the veins in the testes. Varicoceles may cause infertility, because variations in blood temperature may be harmful to sperm cells.


Accumulation of fluid in the scrotum, which may cause infertility and discomfort.


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