Written By Kyle J. Norton. All right reserved. Any reproduction is allowed only with author mane and all links intact.
As we mentioned in previous articles, infertility is defined as inability of a couple to conceive after 12 months of unprotected sexual intercourse or can not carry the pregnancy to term. It effects over 5 millions couple alone in the U. S. and many times more in the world. Because of unawareness of treatments, only 10% seeks help from professional specialist. the unexplained causes of infertility is defined as if the woman and men reproductive system are function normally but the present-day medical technology and medical doctors can not give a reason why the couple can not conceive .In this article, we will discuss what is male infertility computer-assist semen analysis?
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The sample of sperm is scanned in to the computer pre store program to show how the sperm quality, quantity, shape and movement. Since any small change of the computer may produce a significant change in sperm calculation, therefore any abnormal sperm count should be confirmed by manual count.
Since 25% of all infertility is caused by a sperm defect and 40-50% of infertility cases have a sperm defect as the main cause, or a contributing cause. The second test that your doctor order usually is the computer assist semen analysis if the normal semen analysis fail to given a conclusive result. A sample semen sperm is collected through masturbation in the clinic laboratory.
It said that CASA provides more accurate reading than normal semen analysis, because 25%
of all samples shown as infertility in normal semen analysis even with the normal fertility male. The computer will study chemical substances and sperm quality, quantity as in normal semen analysis, including
The semen sample required for this test is than 2.0 ml or more
It measures the number of sperm per millilitre ( ml ) in the semen.
It is requires in the range of 7.2-8.0 to be considered as normal.
3. Sperm concentration
For a normal sperm concentration it requires 20,000,000 per ml or more.
The normal sperm motility is 50% or more with forward progression. It can be classified in 4 grade
a) Sperm with progressive motility:
b) Non-linear motility
c) Non-progressive motility:
d) Non motility:
5. Rapid forward progressive motility
The sample semen must have 25% or more of sperm with rapid forward progressive motility.
It is the study of normal and abnormal form of the sperm. It considered normal if it has
30% or more normal forms (WHO criteria)
The sample should have least 75% live sperm in a semen sample
8. White blood cells
The sample must have a white blood cells concentration of less than 1,000,000 per ml.
Since any small change of the computer may produce a significant change in sperm calculation, therefore any abnormal sperm count should be confirmed again by manual count.
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I hope this information will help you understanding more of the causes of infertility in women and men, if you need more information, please visit
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