Sperm analysis is used to determine the quality and quantity of sperms.
If the couple who is trying to get pregnant , practicing unprotected sex frequently, but unable to conceive. Male factors are implicated in up to 50% of infertility cases.
Also if you are getting married, then it is advised to get sperm analysis along with test for hormone profile, regular health checkup and STD check-up.
For men who have undergone vasectomy, there is scope of sperm left inside the body. It is advised to have protected sex for 3 months post the procedure if the couple do not want to get pregnant. Sperm analysis is ordered post vasectomy to confirm the success of the procedure.
Sperm count and semen consistency can vary from day to day, and some conditions can temporarily affect sperm motility and numbers.
When a semen analysis shows abnormal findings, the test is repeated at intervals as determined by the health practitioner.
The following details are evaluated:
2.5 ml semen is a normal volume. If the volume is low, then there is possibility of seminal vesicles not be making enough fluid or that these ducts may be blocked. Prostate gland problem can also be a reason for this.
The normal range for sperm count is 40 million to 300 million number of sperm per milliliter. Counts below 10 million is considered poor; counts of 20 million or more may be fine if motility and morphology are normal.
Motility is the percent of active sperms cells to the total number of cells present. At least 50% cells should be active.
The quality of the movement of the sperm (rated from 0-4. A score of 2 or more is satisfactory.)
At least 30% of cells should be of normal shape according to the WHO (world health organization)
Examines the shape and size of the sperm head. Normal results are when 14% or more of the sperm have normal shaped heads.
Men with less than 4% of normal shaped sperm may have a significant infertility problem.
Usually normal semen (liquid at ejaculation) immediately coagulates into gel that liquefies within 20 minutes. Failure to coagulate and then liquefy may indicate a problem with the seminal vesicles, as would increase thickness or the presence of white blood cells.
If no sperm are present, the semen will be tested for seminal fructose, normally produced by the seminal vesicles. If no fructose is present, congenital absence of the vas deferens or seminal vesicles or obstruction of the ejaculatory duct
The physician may test the semen and/or the urethra for the presence of any STD's or other bacteria.
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