Until recently, the technique of IVF was considered the most modern method of fertility treatment – until a new technique – ICSI. But due to certain peculiarities of ICSI using this procedure are much less likely to IVF. It is caused by too subtle manipulations of ICSI, expensive equipment that is too high demands on embryology. In modern reproductive medicine is often used method of IVF + ICSI, in which the steps to stimulate ovulation, puncture, preparing sperm and eggs are executed as in conventional IVF. After that, directly injected into an egg selected for ICSI sperm. With ICSI, fertilization is achieved in 60-70% of cases, the probability embryo development – about 90-95%.
ICSI – no "decoration" of IVF new scientific achievements, it is a necessity in certain cases. The indications for ICSI are: – severe oligozoospermia – asthenozoospermia – azoospermia – cryopreserved sperm of low quality indicators – failed IVF attempts – the need for PGD (genetic diagnosis). According to world statistics the chances of pregnancy by ICSI is approximately equal chances of IVF pi. In most cases, an ICSI plan ahead. But sometimes everything is decided at the last minute. This is due to the possibility of rapid and unpredictable changes in the values of sperm in men. A egg