4 Oct 2010

Found, Gene Cause Male Infertility

Health - The scientists managed to uncover the gene that causes unexplained infertility in men. Although only in its early stages, the findings are expected to assist physicians in dealing with men with the condition.

In many cases of infertility, doctors often fail to find the cause of infertility in men. However, this infertility often occurs in a family that experts suspect there may be genetic factors are responsible.

In recent research, experts examine the NR5A1 gene are indeed involved in sexual development in men and women. This gene mutation was found in the development of the testicles or ovaries. The experts believe, disruption in these genes would affect a man's ability to produce sperm.

"We conclude around 4 percent of men who experienced Unexplained infertility due to failure to produce sperm has already mutated gene NR5A1," the researchers said in a report.

Criteria based on the state of male fertility sperm according to WHO, among others, have 2-5 millimeters of cement that comes out in a single ejaculation. In each milimeternya there are more than 15 million sperm cells. Sperm required for fertilization is a straight motion. Sperm that do not have great movement will come out again with seminal fluid.

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