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Friday, November 25, 2011

Recurrent ejaculation improves sperm quality

The intra-cytoplasmic injection of sperm into the oocyte (ICSI) is an assisted reproduction technique that is increasingly being used more as a member of the couple has trouble conceiving through natural methods. In the case of the male, the ICSI technique may allow fertilization of the oocyte although sperm are scarce or have problems with motility. However, it is necessary to improve the quality of sperm DNA for optimal genetic development in the embryo. Some sperm can have their DNA fragmented, and their ratio tends to be higher in men with infertility.

If the sperm transmits fragmented DNA, this results in a risk of loss of the embryo. Now, a Spanish study published in the journal Fertility and Sterility has just revealed that if the man keeps premature withdrawal periods short, resulting in frequent ejaculations, reducing the proportion of sperm with fragmented DNA . So far in the centers of assisted reproduction was to reduce the presence of sperm with DNA fragmentation, recommending that men keep from 3 to 4 days of sexual abstinence before performing an insemination, but not clear that the measure esab rates improve of fertility.

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