Additional study of sperm – the definition of Kruger morphology, as a more in-depth assessment of the quality of spermatozoa, allows you to more accurately determine the ability of sperm to penetrate into the egg. Only sperm with normal shape move straight with the necessary speed and can give rise to a new life. Various anomalies of the body and tail of sperm cells reduce the chances of conception naturally. With Kruger morphology results, from 4-14% to overcome infertility will help IVF if normal spermatozoa less than 4% – ICSI method. In the latter case, even one normal sperm cell in the ejaculate will give you a chance to conceive a child.