Usually in IVF the egg is then surrounded by sperm, in which one will win out against the others and fertilize it.
With ICSI however, instead of surrounding the egg with sperm, a single sperm is selected from a sample. Your fertility doctor will choose the healthiest and highest quality one available and place it in a tiny needle.
An ICSI procedure begins just like a regular IVF cycle would. The egg that will be used for the cycle is placed in a small glass dish in the fertility lab.
How does an ICSI procedure work?
The eggs have Overall this infertility treatment helps to control variables that could otherwise negatively impact fertilization, giving you the best chance for a healthy embryo and baby.