Sperm motility

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Sperm Motility

Sperm motility (/spɜːrm moʊˈtɪlɪti/) refers to the ability of sperm to move efficiently. This is one of the several critical factors influencing the success of male fertility.

Etymology

The term "sperm motility" is derived from the Greek word "sperma" meaning "seed" and the Latin word "motilitas" meaning "moving, stirring".

Definition

Sperm motility is the ability of sperm to move properly towards an egg. This can impact the chances of conception and is an essential aspect of male fertility. Sperm are classified as being either 'progressive' or 'non-progressive' depending on whether they swim in a straight line or not.

Types of Sperm Motility

There are two types of sperm motility:

  • Progressive motility: This refers to sperm that are swimming in a mostly straight line or large circles.
  • Non-progressive motility: This refers to sperm that do not move forward even though they are moving their tails.

Factors Affecting Sperm Motility

Several factors can affect sperm motility, including temperature, pH, the presence of certain chemicals, and the quality of the man's diet. Lifestyle factors such as smoking, alcohol consumption, and drug use can also impact sperm motility.

Related Terms

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