What effects sperm motility

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Sperm motility refers to how well the sperm in a given semen sample are moving and it is one of the parameters looked at in a semen analysis. Natural conception and pregnancy cannot happen if sperm are unable to move. Not all the sperm have to be able to move, though.

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Low sperm count means that the fluid semen you ejaculate during an orgasm contains fewer sperm than normal. A low sperm count is also called oligospermia ol-ih-go-SPUR-me-uh. A complete absence of sperm is called azoospermia.

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Sometimes, sperm cells are malformed or die before they can reach the egg. In rare cases, a genetic disease such as cystic fibrosis or a chromosomal abnormality can cause male infertility. Around one in three cases of male infertility are caused by blockages or absence of tubes which prevent sperm passage.

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There are six main criteria for healthy sperm:. Sperm also need to have the right number of chromosomes for a successful pregnancy. A breakdown in any of these criteria can result in male-factor infertility.

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Healthy sperm aren't always a given. Understand how lifestyle factors can affect your sperm and what you can do to improve your fertility. If you and your partner are planning a pregnancy, you might be wondering about the health of your sperm.

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Male infertility is often caused by low sperm count, abnormal sperm movement, or weak sperm. If you and your partner are trying to conceive, the results of this test can help you figure out the next steps you may want to take. You may also need this test if you've recently had a vasectomy. A vasectomy prevents pregnancy by keeping sperm separate from semen during ejaculation.

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Sperm motility describes the ability of sperm to move properly through the female reproductive tract internal fertilization or through water external fertilization to reach the egg. Sperm motility can also be thought of as the qualitywhich is a factor in successful conception ; sperm that do not "swim" properly will not reach the egg in order to fertilize it. Sperm motility in mammals also facilitates the passage of the sperm through the cumulus oophorus a layer of cells and the zona pellucida a layer of extracellular matrixwhich surround the mammalian oocyte.

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There is no scientific evidence that wearing tight clothes or bike shorts affects the quality of your sperm. Diet, vitamins and supplements actually have very little impact on your sperm count - but they do help you stay healthy. Sports injuries to the groin will only have an impact on sperm production in extremely severe cases. While the effect of age on a man's fertility is not as significant as it is with women, there is a decline in the quality of sperm after the age of

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