semen analysis measures the amount of semen a man
produces and determines the number and quality of
sperm in the semen sample.
analysis is usually one of the first tests done to help determine whether a man
has a problem fathering a child (infertility). A
problem with the semen or sperm affects more than one-third of the couples who
are unable to have children (infertile).
Volume. This is a measure of how much semen is
present in one ejaculation.
Liquefaction time. Semen is a thick gel at the
time of ejaculation and normally becomes liquid within 20 minutes after
ejaculation. Liquefaction time is a measure of the time it takes for the semen
Sperm count. This is a count of the number of
sperm present per
milliliter (mL) of semen in one ejaculation.
Sperm morphology. This is a measure of the
percentage of sperm that have a normal shape.
Sperm motility. This is a measure of the
percentage of sperm that can move forward normally. The number of sperm that
show normal forward movement in a certain amount of semen can also be measured
pH. This is a measure of the acidity (low
pH) or alkalinity (high pH) of the semen.
White blood cell count. White blood cells are not
normally present in semen.
Fructose level. This is a measure of the amount of
a sugar called fructose in the semen. The fructose provides energy for the
Why It Is Done
A semen analysis is done to determine
A man has a reproductive problem that is