Small Testicles, What are the Dangers? | Moorgate Andrology

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Small Testicles, What are the Dangers?

testicles

What is the Average Testicle Size? As with every other body part, testicle size varies from person to person, often with little or no effect on health. Your testicle is an oval-shaped, sperm-producing organ within your scrotum. The average length of a testicle is between 4.5 to 5.1 centimetres. Testicles that are less than 3.5 centimetres long are considered small.

 

How to Measure Testicle Size

Measuring the size of your testes is usually done with an ultrasound. This painless, noninvasive test uses sound waves to create images of the inside of your body on a computer screen. Another, simpler tool used to measure testicle size is called an orchidometer. It is a string of oval beads of different sizes, all approximately the size of a human testicle.

 

Your doctor can gently feel the size of your testicle and compare it to one of the beads on the orchidometer. To measure at home, you can try to use a tape measure to get an approximate measurement. If you are doing so, take a hot shower first to make sure your testicles aren’t withdrawn into your body for warmth.

 

Does Testicle Size Affect Testosterone and Fertility?

Your testicles have two main jobs:

 

  • Producing sperm for reproduction
  • Secreting the male hormone testosterone, which is important in the development of male physical characteristics and sex drive

 

Since sperm is produced in your testicles, you may produce less sperm than average if you have smaller testicles. About 80% of a testicle’s volume is comprised of the seminiferous tubules, the tube-like structures that create sperm cells. In a 2014 study published in the African Journal of Urology, researchers found that smaller testicle size corresponded to reduced sperm density.

 

However, you may have smaller than average testicles and be just as fertile as someone with larger testicles. If you are trying to father a child and you and your partner have been unsuccessful, you should consider seeing a fertility specialist. Your testosterone levels and sperm count can be measured to determine if they are related to your fertility troubles.

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