How far can sperm travel

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Sperm gets ejected from the penis, enters the vagina, and swims up the reproductive tract until they reach the egg to fertilize it. Barely years ago, it was considered a major scientific breakthrough when scientists came up with the idea that a fully formed, tiny human inhabited the head of each sperm — totally debunked and untrue. Fortunately, as the human body has evolved over thousands of years to maximize fertility potential, so has our scientific understanding about sperm. But many of us still believe some pretty unscientific, long-standing sperm myths.
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Sperm Health: How Long Sperm Live & Details of the Journey

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How Long Does Sperm Survive in the Wild? | MEL Magazine

How long sperm live… The details of their journey… The variables for survival! Today, we know that this is not the case, and that sperm health is just as important as regular, predictable ovulation and overall menstrual health. In other words, it does in fact take two to tango. A woman must indeed ovulate — but for a pregnancy to be achieved, healthy and motile sperm must be present to fertilize the egg.
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The Truth About Sperm Survival: How Long Do Sperm Live?

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How much do you know about sperm cells? You know guys make a lot of them--but how many? You know they're small--but how small? You know sperm cells swim their way to an egg cell--but with no brains, how in the heck do they know which way to go?
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