Overcome Male Infertility: The Computer-Assist Semen Analysis

Posted by Chantel Martiromo

Fertility is a natural process to insure the survival of human species. Through natural selection, we produce many offspring when the reproductive system works at it's peak in the suitable environment with plenty of food around. On the other hand, the reproductive system may completely shut down or work at it's minimum state and we produce less offspring, when the environment is hostile including less foods around, war, epidemic, but regardless of all these factors, most women are capable of conceiving during their menstrual cycle before menopause.

I. Definition
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.

II. Procedure
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.

III. Diagnosis
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
1. Volume
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.
2. pH
It is requires in the range of 7.2-8.0 to be considered as normal.

3. Sperm concentrationFor a normal sperm concentration it requires 20,000,000 per ml or more.

4. Motility
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.

6. Morphology
It is the study of normal and abnormal form of the sperm. It considered normal if it has30% or more normal forms (WHO criteria)
7. Vitality 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.

IV. Risk
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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