Papa Glow, The Journey

Sperm on A Mission: The Journey of The Winning Sperm

Mama Glow | October 22, 2015
Human sperm cells
Post by: Professor Allan Pacey BSc, PhD, FRCOG – University of Sheffield
From the moment sperm enters the vagina, it is under attack from the woman’s natural defence systems. Over 250 million sperm start the race to penetrate the egg, with only one surviving. It is the ultimate survival of the fittest.
It takes approximately 70 days to produce sperm. In the average fertile man 1,000 sperm roll off the production line with every heartbeat. Although the journey sperm undertake is only about 10 to 12 cm, it is truly remarkable. It is equivalent to a human swimming 30 miles.
Sperm are presented with hurdles and death at every turn, with only a few hundred getting as far as the Fallopian tube and only about one or two that ever get close enough to the egg to fertilize it.
Have a look at the infographic below to see how the journey of sperm unfolds in an easy to understand, fun and visual format. It was produced by our friends at Ovulation Calendar with the expertise of Professor Allan Pacey of the University of Sheffield in the United Kingdom.
sperm_infographic
To read the full article click here.”
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