Sperm strict morphology

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Sperm morphology refers to the shape of the sperm, which includes head size and head DNA content revealed by a nuclear color stain , the midpiece appearance and the structure of the tail. Sperm morphology is assessed during routine semen analysis that examines the sperm cells under a microscope. The semen analysis will also examine the motility movement ability and concentration of sperm present. Every male, fertile or infertile, has varying percentages of abnormally-shaped sperm.
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Understanding Sperm Morphology

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The Importance of Sperm Morphology in the Evaluation of Male Infertility

Sperm morphology — the size and shape of sperm — is one factor that's examined as part of a semen analysis to evaluate male infertility. Sperm morphology results are reported as the percentage of sperm that appear normal when semen is viewed under a microscope. Normal sperm have an oval head with a long tail. Abnormal sperm have head or tail defects — such as a large or misshapen head or a crooked or double tail.
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Evaluation of sperm morphology using Kruger's strict criteria

Tutor A. It is therefore unreasonable to hope for tests that will indicate with absolute certainty that a man will be fertile. On the other hand, when the results of these tests are subnormal, they should not be used as an absolute diagnosis of sterility.
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Infertility affects 1 out of 6 couples of child-bearing age. Semen is composed of spermatozoa suspended in seminal fluid plasma. The function of the seminal fluid is to provide nutrition and volume for conveying the spermatozoa to the endocervical mucus. Male infertility can be affected by a number of causes. Chief among these is a decrease in the number of viable sperm.
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