Selecting 'Seeds of Excellence' in Between Million Sperm

In the process of fertilization, the egg just choose the best one sperm and then refused to millions of others. Researchers in America found a way to separate the sperm excel, to improve the success of artificial insemination.

During this time, semen analysis to see the fertility is only based on the concentration and mobility of sperm cells. The assumption, he said fertile if they have a lot of sperm with active mobility.

This method does not provide enough information, sperm Which has the highest fertility. Because only one sperm that will best be able to penetrate the egg defense, for then membuahinya.

This becomes a problem when men with sperm counts less to do artificial insemination or in vitro fertilization (IVF) or test tube baby known to have descendants. When injected sperm that only a few that, doctors do not know whether the sperm is superior or not.

Quoted from Dailymail, Wednesday (02/06/2010), researchers from Yale University to develop biochemical markers for the selection of sperm, so that only superior sperm are injected into an egg cell. For testing, researchers used sperm samples from 50 men.

The idea is based on the theory that sperm will bind themselves superior to hyaluronic acid. While the sperm is damaged, defective, and infertile, will not be bound by these compounds.

In addition to infertility, sperm was also not bound to hyaluronic acid when it has a chromosomal aberration. Usually these deviations associated with hereditary disease.

Researchers claim, these techniques can separate sperm DNA integrity is best. Effectiveness similar to natural selection that occurs in the egg.

The study will be published in the Journal of Andrology edition June or July.