Human Reproduction journal reported data from a study conducted by researchers from the University of Sheffield. They identified the "magic number" ova Which provides the best results during artificial insemination . For this purpose it took to compile information on more than 400 000 cycles IVF in the UK for 17 years.
It turned out that the number is equal to 15. It is so much ova It is required to take in the course of the procedure. Increasing this amount as identified scientists, not only is a less secure, but less effective. And fewer ova It reduces the chances of a successful conception.
Thus, from the woman's ovaries passing through IVF It is necessary to take 15 eggs. Anything more than this number reduces the chances of success and increases the risk of complications due to excessive stimulation of the ovaries during drug treatment.
Ovarian hyperstimulation syndrome can cause pain, weight gain, and even blood clots in the blood, as well as the lack of oxygen. In severe cases, this complication ends lethally. British scientists conducted the first of its kind large-scale study, and the data can be trusted.
However, the study authors point out that this information should first concern of doctors conducting IVF, not patients. Especially that some women do not respond to drug treatment, and some so weak ovaries that produce 15 eggs for them is simply unrealistic.
Pregnancy and Gynecology
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