ICSI - Sperm microinjection
Intracytoplasmatic Sperm Injection
ICSI consists of injecting a spermatozoon of good motility and morphology into the egg. The patient undergoes an IVF cycle and egg retrieval is performed at the right moment. Afterwards, the process of embryo development in the lab and the embryo transfer are the same as in conventional IVF.
This method is used when there is low sperm count or when the morphology and/or motility of sperm are not normal. The results of ICSI have caused a dramatic increase in pregnancy rates in subfertile men.
Thousands of children conceived by ICSI have been followed up and the technique has been proven safe. In some cases of genetic-related sterility there can be a slight increase in anomalies in the offspring. However, other studies show no difference.
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