What is Intracytoplasmic Sperm Injection (ICSI) or microinjection of the egg?
It is the process of injecting a single sperm into a mature egg by introducing the sperm in the nucleus of the egg using a microscopic needle (diameter 7 microns) without affecting the viability of the egg. The fertilized egg is then monitored until it starts to divide forming the embryo after which it is returned to the mother’s uterus via the cervix.