Sperm count

From Wikipedia, the free encyclopedia

The sperm count [1] is a measure of fertility in a man. It is the number of spermatozoa in a unit volume of semen. A normal sperm count is between 20 million and 40 million sperm per millilitre [2]. A sperm count below 20 million sperm per testicle is low and may indicate a fertility problem. [3].

Having a man's sperm count measured is a common method for diagnosing problems in couples experiencing fertility problems. It is important to note that if a man's sperm count is less than the normal range, it is still possible to father a child. The sperm count depends on how long ago the man last ejaculated.

As well, exposing the scrotum and testes to extreme heat and cold; temperatures outside the range of optimal sperm production; can kill sperm quickly and lower sperm count to zero.

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