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Sperm morphology percentage

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An abnormal sperm count may also indicate an underlying health condition. A normal sperm count ranges from 15 million sperm to more than million sperm per milliliter mL of semen. Anything less than 15 million sperm per milliliter, or 39 million sperm per ejaculate, is considered low. A low sperm count is often referred to as oligospermia. A high, or above average, sperm count is over million sperm per millimeter.
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Sperm Morphology (Shape): Does It Affect Fertility?

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Abnormal sperm morphology: What does it mean? - Mayo Clinic

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. Your healthcare provider can use this test to find out whether the vasectomy was successful.
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Understanding Sperm Morphology

Male fertility is evaluated via semen analysis. Abnormalities in shape make it more difficult for sperm to penetrate and fertilize an egg. Sperm morphology alone does not determine whether or not a man can father a child. In fact, a study done by Kovac et.
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The reduced value for morphologically normal spermatozoa over the years may be due to several factors. The first is the introduction of strict criteria for the evaluation of sperm morphology. Other reasons may include the introduction of additional criteria for sperm morphology abnormalities and the suggested decrease in semen parameters because of increasing negative environmental influences. Although on its own the newly proposed very low normal value may not provide the strong predictive value for a males' fertility potential, as originally reported for sperm morphology evaluated according to strict criteria, a good predictive value can still be obtained if the holistic, strict approach for sperm morphology evaluation is followed together with additional sperm morphology parameters now available, because certain morphology patterns and sperm abnormalities are now known to be of strong prognostic value. In addition, better international standardization of the technical methodology, consensus on the interpretation of sperm morphology evaluation criteria and standardized international external quality control EQC schemes, are of utmost importance to maintain the good predictive value of sperm morphology.
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