Approximately one-quarter of men sperm swim more slowly due to genetic farkılılıktan laying down a new and improved method of genetic screening.

ISTANBUL - Translational Medicine at the scientific journal Science the results of the authors of the study, which lasted longer than men to have children to identify a new genetic screening method could be developed, he says.
Genetic differences, the outer surface of the sperm that determines the structure of a key protein gene stems. This protein lacks the sperm, the woman's eggs to have difficulty floating. The researchers, sperm, yitirmediğini different gene, but men have this gene is probably leaving a pregnant woman says that a longer period of time.
DEFB216 gene mutations, widely known with the code are found. A copy of the mutated gene from his mother or father, or men who had taken over the total population is estimated at half the rate. With two copies of mutated (ie, both the mother and father, who inherited the same genetic mutation) in the proportion of men around a quarter.
In an experiment using in China for more than 500 married couples, husbands of women who have mutations in both copies of the gene were reduced chance of becoming pregnant. This women was pregnant a few months later, was seen by far.
U.S., Britain, Japan and Africa, the research results were also similar.