The sperm-winners immediately clear!

US scientists have made a breakthrough in the development of IVF. They were able to develop a method by which in vitro fertilization is selected only the best sperm.

A team of researchers from Yale University finds that they created a method is as effective as the natural selection of the egg. With the new technology IVF   selects only sperm Which have the highest integrity of the DNA, and therefore have the greatest chance of fertilization .

The head of the research team of Dr. Gabor Hurtszar said: "Almost 40% infertility   It associated with male rather than female problems. Our discovery may help in the solution of these problems. "Dr. Hurtszar noted that in previous studies, scientists have focused mainly on mobility   sperm   and their density. It was believed that a man is able to conceive, if it has a large number of active sperm.

However, the semen did not give information about the Fertility Sperm That is, their ability fertilize the egg . Because the number is not always turns into quality. Ideally, the egg chooses any one sperm and blocks the rest. But during IVF Doctors do not know whether they produce injection sperm   "winners" or "losers" - that is, those who reject the egg.

"We have found a biochemical marker Fertility sperm And now we can select sperm with high genetic integrity, "- said Dr. Hurtszar.

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