We apologize for the inconvenience, but your browser is currently not supported by this website. Please try another browser, or install the latest version of your favorite browser below:. This procedure is performed when sperm is unable to penetrate the membrane that surrounds the egg. Using a very fine needle, the microinjection technique provides the means to introduce a single sperm cell into the cytoplasm of the egg.
Armand Zini, Phil V. Bach, Ahmad H. Al-Malki, Peter N. In and subsequently, several reports indicated that ICSI was a successful technique to achieve clinical pregnancy and live birth using spermatozoa with severely impaired characteristics. The initial optimism over the ability of ICSI to overcome significant sperm abnormalities was later tempered by the findings of more recent publications suggesting that some sperm deficits may not be as effectively treated with ICSI.
Use the link below to share a full-text version of this article with your friends and colleagues. Learn more. Several studies support of the use of testicular rather than ejaculated spermatozoa for intracytoplasmic sperm injection ICSI in couples with virtual azoospermia or cryptozoospermia, although this approach remains controversial. We also evaluated the outcomes of seven consecutive TESAs testicular sperm aspiration in cryptozoospermic men during the same time period January and September
With modern advances and options in sperm retrieval procedures, there is the opportunity to father a biological child even if you have been told you are infertile. Sperm retrieval is a valuable tool for men with azoospermia i. The sperm can be retrieved directly from the organs within the male reproductive tract and used to achieve pregnancy with assisted reproductive technology. Such advanced procedures require the expertise of a uniquely qualified surgeon like Dr.